Rate tachycardia. Medical search. Frequent questions

Sinus tachycardia refers to a typical increase in the heart rate often caused by exercise or stress. (mayoclinic.org)
In sinus tachycardia, the heart rate increases but continues to beat properly in the normal rhythm. (medicalnewstoday.com)
Sinus tachycardia occurs when the heart rate increases due to expected reasons, such as during exercise, if a person is feeling anxious, or during periods of dehydration. (medicalnewstoday.com)
Inappropriate sinus tachycardia, which is rare, occurs when the heart rate increases for no apparent reason. (medicalnewstoday.com)
Learn more about the types of sinus tachycardia here. (medicalnewstoday.com)
Supraventricular tachycardia can happen when there is a problem with the heart's electrical circuit or a heartbeat originates in the atrium outside of the sinus node. (medicalnewstoday.com)
Sinus tachycardia is commonly encountered in clinical practice and when persistent, can result in significant symptoms and impaired quality of life, warranting further evaluation. (medscape.com)
In this review, we focus on two challenging problems that span the spectrum of abnormally fast sinus HR. The first section reviews inappropriate sinus tachycardia, a complex disorder characterized by rapid sinus HR without a clear underlying cause, with particular emphasis on current management options. (medscape.com)
[ 4-10 ] Over the course of the past few years, high resting sinus HR within the normal range of 60-100 bpm has become an exciting area of investigation as more and more data have emerged supporting its role in predicting hard clinical end points, [ 9 , 11-13 ] and has led to suggestions that it is time to redefine tachycardia. (medscape.com)
Common causes of sinus tachycardia. (medscape.com)
IST is a diagnosis of exclusion and extensive evaluation to identify secondary causes of sinus tachycardia should be performed. (medscape.com)
What rate is considered sinus tachycardia? (stuffmakesmehappy.com)
As such, sinus tachycardia can be thought of as a sinus-driven rhythm (normal-appearing P wave axis on the surface ECG) which is occurring at a rate of greater than 100 beats per minute (waveform 2). (stuffmakesmehappy.com)
Sinus tachycardia is your body's normal response to stress. (stuffmakesmehappy.com)
Diltiazem converts paroxysmal supraventricular tachycardia (PSVT) to normal sinus rhythm by interrupting the reentry circuit in AV nodal reentrant tachycardias and reciprocating tachycardias, e.g. (nih.gov)
Upon exertion, sinus tachycardia can also be seen in some inborn errors of metabolism that result in metabolic myopathies , such as McArdle's disease (GSD-V) . [10] [11] Metabolic myopathies interfere with the muscle's ability to create energy. (wikipedia.org)
Sinus node disease encompasses a wide range of clinical presentations from sinus bradycardia to sinus arrest or bradycardia-tachycardia syndrome ( 4 ). (escardio.org)
40 bpm) to assess for chronotropic response, with the failure to achieve 85% of maximal age-predicted heart rate suggesting sinus node disease. (escardio.org)
People with sinus tachycardia have a faster-than-normal heart rate. (healthline.com)
The emergency department diagnosis of sinus versus nonsinus tachycardia is an important clinical challenge. (biomedcentral.com)
A simple point score system based on age and heart rate helps predict the probability of sinus tachycardia versus nonsinus tachycardia. (biomedcentral.com)
Nonsinus tachycardia is significantly more common than sinus tachycardia in elderly patients in the emergency department. (biomedcentral.com)
The diagnosis of sinus tachycardia becomes much less likely as age and heart rate increase. (biomedcentral.com)
All ECGs were reviewed by a cardiologist and classified as either sinus tachycardia (ST) or NST. (biomedcentral.com)
Sinus tachycardia was the most common rhythm overall, present in 70% of subjects. (biomedcentral.com)
Figures 1 and 2 demonstrate a 12-lead electrocardiogram with bursts of atrial tachycardia and sinus rhythm. (acc.org)

What are the types of paroxysmal supraventricular tachycardias? (clevelandclinic.org)
Supraventricular tachycardias are the most common type of arrhythmias in children and babies. (clevelandclinic.org)
The therapeutic benefits of diltiazem in supraventricular tachycardias are related to its ability to slow AV nodal conduction time and prolong AV nodal refractoriness. (nih.gov)
Tachycardias may be classified as either narrow complex tachycardias (supraventricular tachycardias) or wide complex tachycardias. (wikipedia.org)
The NST group included AF, atrial flutter, paroxysmal supraventricular tachycardias (PSVTs) including atrial tachycardias and indeterminate nonsinus rhythms. (biomedcentral.com)

It is characterized by an irregular atrial rate greater than 100 beats per minute (bpm). (medscape.com)
In adults, a typical resting heart rate is 60-100 beats per minute, but structural or electrical disorders of the heart can cause it to rise or fall. (medicalnewstoday.com)
Tachycardia means that an adult's heart rate is over 100 beats per minute (bpm) . (medicalnewstoday.com)
The heart rate may be over 100, and even more than 250 beats per minute (bpm). (medlineplus.gov)
POTS is diagnosed when a person's heart rate increases by at least 30 beats per minute within 10 minutes after they stand up. (wikipedia.org)
Tachycardia is a fast heart rate -- usually more than 100 beats per minute in an adult. (stuffmakesmehappy.com)
By conventional definition, a tachycardia requires the heart rate to be greater than 100 beats per minute. (stuffmakesmehappy.com)
Tachycardia means that your heart is beating much faster than normal, usually more than 100 beats per minute. (stuffmakesmehappy.com)
[1] In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults. (wikipedia.org)
The heart rate may be 160 to 240 (normal is 60 to 100 beats per minute). (health.am)
Tachycardia is a very fast heart rate - over 100 beats per minute. (biotronik.com)
Their resting heart rate is typically above 100 beats per minute (bpm), even when they're at rest. (healthline.com)
The number of times it beats in a minute while we are relaxing at home - also known as our resting heart rate - might not seem important, but even a 20 beats per minute (bpm) difference in heart rate can shave years off your life. (runtastic.com)
You might notice that your senses become more focused, your breathing becomes rapid, and your heart rate increases, sometimes up to 100 beats per minute or more. (psychcentral.com)

A heart rate below 60 beats a minute is considered bradycardia. (mayoclinic.org)
If you have a slow heart rate and your heart isn't pumping enough blood, you may have a type of bradycardia. (mayoclinic.org)
Such changes can lead to serious conditions such as bradycardia and tachycardia. (exposay.com)
Bradycardia is an unusually slow heart rate. (healthline.com)
Despite extreme bradycardia, we recorded a 2.5-fold increase above diving heart rate minima during the powered ascent phase of feeding lunges followed by a gradual decrease of heart rate during the prolonged glide as engulfed water is filtered. (cascadiaresearch.org)

A narrow complex tachycardia with an accessory conduction pathway, often termed "supraventricular tachycardia with pre-excitation" (e.g. (wikipedia.org)

Many types of irregular heart rhythms (arrhythmias) can cause tachycardia. (mayoclinic.org)
Supraventricular tachycardia is a broad term that includes arrhythmias that start above the ventricles. (mayoclinic.org)
In general, heart arrhythmias are grouped by the speed of the heart rate. (mayoclinic.org)
Tachycardia is the medical term for when your heart beats over 100 bpm and affects resting heart rate because it causes irregular heart rhythms (also known as arrhythmias). (runtastic.com)
Reentrant, automatic, or triggered mechanisms may cause VA, just as these mechanisms cause supraventricular tachycardia (SVT) and other arrhythmias. (medscape.com)

Tachycardia may not cause any symptoms or complications. (mayoclinic.org)
In patients with frequent or incessant tachycardias, a decline in effort tolerance and symptoms of heart failure may represent early manifestations of tachycardia-induced cardiomyopathy. (medscape.com)
You have other symptoms with the rapid heart rate. (medlineplus.gov)
Lifestyle changes and treatments can help reduce symptoms of this type of fast heart rate. (clevelandclinic.org)
Put together, the words "postural orthostatic tachycardia syndrome" mean that when a person stands up, they get tachycardia, and they also have other symptoms. (wikipedia.org)
Ventricular tachycardia can occur in episodes during which the person will have a rapid pulse or the symptoms described above. (health.am)
Ventricular tachycardia may not cause symptoms in some people, but may be lethal in others - it is a major cause of sudden cardiac death. (health.am)
Pacemakers are generally implanted to alleviate symptoms of decreased cardiac output related to rate or arrhythmia. (cms.gov)
This arrhythmia affects individuals differently - some people live their lives without a need for treatment options or restrictions, whereas others require medication, lifestyle changes, or procedures to manage or terminate the rapid heart rate or associated symptoms. (aclsonline.us)
This article will explain some of the causes and symptoms of a high resting heart rate and give you ideas about how to lower it. (runtastic.com)
In some cases of WPW, patients do not have any symptoms, or may only experience periodic or infrequent episodes of a rapid heart rate. (bidmc.org)
Postural tachycardia syndrome (POTS), a chronic form of orthostatic intolerance, has signs and symptoms of lightheadedness, loss of vision, headache, fatigue, and neurocognitive deficits consistent with reductions in cerebrovascular perfusion. (unboundmedicine.com)
Heart and circulatory physiology JO - Am J Physiol Heart Circ Physiol VL - 297 IS - 2 N2 - Postural tachycardia syndrome (POTS), a chronic form of orthostatic intolerance, has signs and symptoms of lightheadedness, loss of vision, headache, fatigue, and neurocognitive deficits consistent with reductions in cerebrovascular perfusion. (unboundmedicine.com)
In fact, anxiety can even affect your heart rate, leading to heart palpitations and other symptoms, according to the American Heart Association (AHA) . (psychcentral.com)
One of the most common physical symptoms of anxiety is changes in your heart rate, including heart palpitations. (psychcentral.com)

Paroxysmal supraventricular tachycardia (PSVT) is a type of arrhythmia, or abnormal heartbeat. (clevelandclinic.org)
Sustained ventricular tachycardia is when the abnormal rhythm lasts more than 30 seconds. (merckmanuals.com)
[1] Heart rates above the resting rate may be normal (such as with exercise ) or abnormal (such as with electrical problems within the heart). (wikipedia.org)
Supraventricular tachycardia (SVT) is an arrhythmia, or abnormal heart beat. (luriechildrens.org)
SVT is the most common abnormal fast heart rhythm in children (these are called tachycardias). (luriechildrens.org)
Ventricular tachycardia is a fast, abnormal heart rate and may lead to sudden cardiac arrest if not treated successfully. (varian.com)
Otherwise, catheter ablation is the most common method for interrupting an abnormal pathway: it destroys the area of the heart causing the tachycardia. (bidmc.org)

Paroxysmal supraventricular tachycardia (PSVT) is a general term used to describe a type of arrhythmia (irregular heartbeat). (clevelandclinic.org)

But if left untreated, some forms of tachycardia can lead to serious health problems, including heart failure, stroke or sudden cardiac death. (mayoclinic.org)
Multifocal atrial tachycardia (MAT) is a cardiac arrhythmia caused by multiple sites of competing atrial activity. (medscape.com)
PALO ALTO, Calif., May 26, 2021 /PRNewswire/ -- Varian, a Siemens Healthineers company, announced today that the U.S. Food and Drug Administration (FDA) has granted the company Breakthrough Device Designation for its cardiac radioablation (CRA) system, currently in development as a noninvasive therapy for select patients with refractory ventricular tachycardia (VT). (varian.com)
Antiarrhythmic drugs are used commonly in out-of-hospital cardiac arrest for shock-refractory ventricular fibrillation or pulseless ventricular tachycardia, but without proven survival benefit. (nih.gov)
In this randomized, double-blind trial, we compared parenteral amiodarone, lidocaine, and saline placebo, along with standard care, in adults who had nontraumatic out-of-hospital cardiac arrest, shock-refractory ventricular fibrillation or pulseless ventricular tachycardia after at least one shock, and vascular access. (nih.gov)
The per-protocol (primary analysis) population included all randomly assigned participants who met eligibility criteria and received any dose of a trial drug and whose initial cardiac-arrest rhythm of ventricular fibrillation or pulseless ventricular tachycardia was refractory to shock. (nih.gov)
Overall, neither amiodarone nor lidocaine resulted in a significantly higher rate of survival or favorable neurologic outcome than the rate with placebo among patients with out-of-hospital cardiac arrest due to initial shock-refractory ventricular fibrillation or pulseless ventricular tachycardia. (nih.gov)
Heart rate and cardiac rhythm were prospective reviewed in 500 consecutive patients with heart rate ≥ 100 beats/min in a busy emergency department. (biomedcentral.com)
Buscopan 10 mg Tablets should be used with caution in conditions characterised by tachycardia such as thyrotoxicosis, cardiac insufficiency or failure and in cardiac surgery where it may further accelerate the heart rate. (janusinfo.se)

However, in rapid atrial tachycardias with variable atrioventricular (AV) conduction and in MAT, the pulse may be irregular. (medscape.com)
Atrioventricular nodal re-entrant tachycardia (AVNRT). (clevelandclinic.org)
This can present with palpitations or syncope from an atrioventricular reciprocating tachycardia or rarely sudden death secondary to ventricular fibrillation from rapid conduction of atrial fibrillation across the accessory pathway. (escardio.org)
AVNRT (AtrioVentricular Nodal Reentrant Tachycardia): An electrical short circuit exists inside a part of the heart called the AV node. (prweb.com)
AVRT (AtrioVentricular Reciprocating Tachycardia): This is the type of SVT that patients with Wolf-Parkinson-White (WPW) develop-they are usually diagnosed in childhood, but occasionally the diagnosis is made as an adult. (prweb.com)
Supraventricular tachycardia (SVT) is an arrhythmia initiated above the ventricles, at or above the atrioventricular (AV) node. (aclsonline.us)

In clinical practice, reentrant rhythms are triggered by premature beats, and the tachycardia is often terminated with direct-current (DC) cardioversion. (medscape.com)
An abrupt onset and a generally stable rate are other characteristics of reentrant rhythms. (medscape.com)

Paroxysmal supraventricular tachycardia (PSVT) is a type of supraventricular tachycardia, named for its intermittent episodes of abrupt onset and termination. (wikipedia.org)
Paroxysmal supraventricular tachycardia (PSVT) is episodes of rapid heart rate that start in a part of the heart above the ventricles. (medlineplus.gov)
The rapid heart rate from PSVT may start with events that occur in areas of the heart above the lower chambers (ventricles). (medlineplus.gov)
A physical exam during a PSVT episode will show a rapid heart rate. (medlineplus.gov)
Between episodes of PSVT, the heart rate is normal (60 to 100 bpm). (medlineplus.gov)
PSVT (also called re-entry tachycardia) is a type of atrial arrhythmia. (clevelandclinic.org)

Ventricular tachycardia episodes may be brief and last only a couple of seconds without causing harm. (mayoclinic.org)
Supraventricular tachycardia causes episodes of a pounding heartbeat (palpitations) that begin and end abruptly. (mayoclinic.org)
Supraventricular tachycardia causes episodes of a pounding heartbeat that start and stop suddenly. (mayoclinic.org)
Supraventricular tachycardia may occur intermittently, and an individual may experience regular heart rates between episodes. (aclsonline.us)
If frequent episodes of supraventricular tachycardia occur over time and go untreated, the heart may become weakened, contributing to the development of heart failure. (aclsonline.us)
Prior Holter monitoring demonstrated episodes of atrial fibrillation as well as an atrial tachycardia. (acc.org)
(2) Although relatively rare, sustained episodes of focal atrial tachycardia may lead to a rate related cardiomyopathy. (acc.org)
The condition can lead to episodes of rapid heart rate (tachycardia or supraventricular tachycardia). (bidmc.org)
If you are having episodes of tachycardia as a result of WPW, you may be able to be treated with medications. (bidmc.org)

Focal atrial tachycardia is usually episodic or paroxysmal. (medscape.com)
Weber R, Letsas KP, Arentz T, Kalusche D. Adenosine sensitive focal atrial tachycardia originating from the non-coronary aortic cusp. (medscape.com)
Despite an irregularly irregular rhythm, the patient in our case suffers from a focal atrial tachycardia. (acc.org)
Focal atrial tachycardia as the sole mechanism for supraventricular tachycardia is relatively rare accounting for 10-15% of cases referred for catheter ablation. (acc.org)

Postural orthostatic tachycardia syndrome ( POTS , also called postural tachycardia syndrome ) is a medical problem. (wikipedia.org)

Diltiazem exhibits frequency (use) dependent effects on AV nodal conduction such that it may selectively reduce the heart rate during tachycardias involving the AV node with little or no effect on normal AV nodal conduction at normal heart rates. (nih.gov)

Healed heart attacks form scar tissue which can lead to ventricular tachycardia. (health.am)
Ventricular tachycardia can lead to ventricular fibrillation, which can lead to death within a matter of minutes. (biotronik.com)

Lightheadedness may result from relative hypotension, depending on the heart rate and other factors, such as the state of hydration and particularly the presence of structural heart disease. (medscape.com)
A rapid rate and severe hypotension may lead to syncope. (medscape.com)
Molecular wettest inhabited places) and illustrate exhibited hypotension, tachycardia, techniques provide rapid diagnosis diagnostic challenges and the need to tachypnea, jaundice, confusion, during the bacteremic phase but are improve laboratory capacity. (cdc.gov)
During January 2009-June minute), and hypotension (96/50 to the TECO rapid diagnostic test 2011, incidence rates for dengue and mm Hg). (cdc.gov)

There are many different types of tachycardia. (mayoclinic.org)
Other types of tachycardia are grouped according to the part of the heart responsible for the fast heart rate and the cause. (mayoclinic.org)

Delayed afterdepolarizations leading to triggered automaticity are postulated to result in the development of multifocal atrial tachycardia (MAT). (medscape.com)
Causes of multifocal atrial tachycardia (MAT) are mainly related to underlying illnesses. (medscape.com)
Multifocal atrial tachycardia (MAT) is a relatively infrequent arrhythmia, with a prevalence rate of 0.05-0.32% in patients who are hospitalized. (medscape.com)
The physical examination is not typically sufficient to differentiate multifocal atrial tachycardia from atrial fibrillation . (medscape.com)
In patients with multifocal atrial tachycardia (MAT), the history may disclose an underlying illness that is causing the tachycardia. (medscape.com)

Torsades de Pointes Ventricular Tachycardia Torsades de pointes ventricular tachycardia is a specific form of polymorphic ventricular tachycardia in patients with a long QT interval. (msdmanuals.com)

Typically, atrial tachycardia manifests as a sudden onset of palpitations. (medscape.com)

It is rare that supraventricular tachycardia results in sudden death, but this can happen if the heart rate gets too fast. (medicalnewstoday.com)
Many factors can lead to a sudden increase in resting heart rate. (runtastic.com)

Torsade de pointes" is a form of ventricular tachycardia with a specific variation in the conduction of the ventricular stimulus. (health.am)
The prevalence of hydrops fetalis did not differ in fetal atrial flutter and supraventricular tachycardia with 1:1 conduction. (bmj.com)

In most atrial tachycardias, the rate is regular. (medscape.com)

Fever , hyperventilation , diarrhea and severe infections can also cause tachycardia, primarily due to increase in metabolic demands. (wikipedia.org)

Adults have a normal breathing rate of 12 to 25 breaths per minute at rest (no activity). (stuffmakesmehappy.com)
In adults, a breathing rate over 20 breaths per minute is usually considered elevated. (stuffmakesmehappy.com)
The average resting heart rate - also known as pulse rate - for adults is somewhere between 60 to 90 bpm. (runtastic.com)

Pressing down gently on the top of closed eyes may also bring heartbeat back to normal rhythm for some people with atrial or supraventricular tachycardia (SVT). (wikipedia.org)
[ 2 ] MAT has previously been described by terms such as chaotic atrial rhythm or tachycardia, chaotic atrial mechanism, and repetitive paroxysmal MAT. (medscape.com)
Consequently, a high mortality rate (ie, up to 45%) is associated with this arrhythmia, although it is not a direct consequence of the rhythm abnormality. (medscape.com)
However, some people have an irregular heart rhythm that causes their heart rate to jump between high and low. (medicalnewstoday.com)
Nonetheless, if a person suspects anomalies in the rhythm of their heart rate, they should contact a doctor for a diagnosis. (medicalnewstoday.com)
This disruption affects the rhythm and rate of the heartbeat, and, as a result, the heart may not pump the amount of blood necessary for the body to function. (medicalnewstoday.com)
Disturbances of rate and rhythm of the heart. (medlineplus.gov)
in a row, and then your heart returns to a normal rate and rhythm. (merckmanuals.com)
It records your heart rate and rhythm. (limamemorial.org)
Supraventricular tachycardia is the most common heart rhythm abnormality in children. (healthline.com)

Objective To investigate the association of accelerometer-measured lifestyle physical activity with rapid-rate non-sustained ventricular tachycardias (RR-NSVTs) in patients with arrhythmogenic cardiomyopathy (AC). (bmj.com)
Treatment for tachycardia may include specific maneuvers, medication, cardioversion or surgery to control a rapid heartbeat. (mayoclinic.org)
The rapid heart rate doesn't allow the ventricles to fill and squeeze (contract) to pump enough blood to the body. (mayoclinic.org)
The primary abnormality noted on physical examination is a rapid pulse rate. (medscape.com)
This rapid, irregular heart rate starts with faulty electrical signals in the lower heart chambers, called the ventricles. (mayoclinic.org)
The rapid heart rate doesn't let the ventricles properly fill with blood. (mayoclinic.org)
Diltiazem slows the ventricular rate in patients with a rapid ventricular response during atrial fibrillation or atrial flutter. (nih.gov)
When the rate of blood flow becomes too rapid, or fast blood flow passes on damaged endothelium , it increases the friction within vessels resulting in turbulence and other disturbances. (wikipedia.org)
This energy shortage in muscle cells causes an inappropriate rapid heart rate in response to exercise. (wikipedia.org)
Ventricular tachycardia is a rapid heart beat initiated within the ventricles, characterized by 3 or more consecutive premature ventricular beats. (health.am)
The ICD may also be programmed to send a rapid burst of paced beats to interrupt the ventricular tachycardia. (health.am)
Go to the emergency room or call the local emergency number (such as 911) if you feel a rapid, irregular pulse, fainting, or chest pain - all of which may be indicative of ventricular tachycardia. (health.am)
For example, at rapid heart rates, atrial activity may be obscured, and irregularity associated with atrial fibrillation (AF) may be difficult to appreciate. (biomedcentral.com)
This prospective study evaluates a rapid means of identifying subjects at high risk for nonsinus tachycardia (NST) based on age and heart rate (HR). (biomedcentral.com)
Early beats occur within the atria of the heart due to improperly functioning electrical connections, resulting in a rapid heart rate such that the heart does not have enough time to fill the atria with blood before contraction of the atria. (aclsonline.us)

For instance, the heart rate typically rises during exercise or as a response to stress. (mayoclinic.org)
Typically, an irregular heart rate goes undetected. (prweb.com)
Heart rates during dives were typically 4 to 8 beats min −1 (bpm) and as low as 2 bpm, while after-dive surface heart rates were 25 to 37 bpm, near the estimated maximum heart rate possible. (cascadiaresearch.org)

Tachycardia , also called tachyarrhythmia , is a heart rate that exceeds the normal resting rate . (wikipedia.org)
Ventricular tachyarrhythmia (ventricular fibrillation) is the most dangerous type of tachycardia. (biotronik.com)

The word tachycardia means that it results in a heartbeat that is higher than 100 bpm. (medicalnewstoday.com)
Tachycardia (tak-ih-KAHR-dee-uh) is a fast heartbeat. (mayoclinic.org)
In ventricular tachycardia, a very fast heartbeat starts in the ventricles of your heart. (merckmanuals.com)
Ventricular tachycardia is a potentially lethal disruption of normal heartbeat ( Arrhythmia ) that may cause the heart to become unable to pump adequate blood through the body. (health.am)
This is when the heartbeat starts in the lower chambers of the heart rather than the top chambers, causing an abnormally fast heart rate. (healthline.com)

Narrow complex tachycardias tend to originate in the atria, while wide complex tachycardias tend to originate in the ventricles. (wikipedia.org)
Tachycardia may affect the upper or lower heart chambers, called the atria and ventricles. (biotronik.com)

Tachycardia is a very common clinical finding in the emergency department (ED), and the differential diagnosis is often challenging. (biomedcentral.com)
However, children who receive a diagnosis of supraventricular tachycardia when they are older are less likely to outgrow it. (healthline.com)

There are several types, including postural orthostatic tachycardia syndrome (POTS). (healthline.com)
POTS is a circulatory condition that prompts an increase in heart rate when you stand up after sitting or lying down. (healthline.com)

There are several kinds, but one that may cause shortness of breath is SVT, or atrial tachycardia. (stuffmakesmehappy.com)

Radiofrequency catheter ablation is a curative treatment for selected tachycardias. (health.am)
Irrigated radiofrequency catheter ablation guided by electroanatomic mapping for recurrent ventricular tachycardia after myocardial infarction: the multicenter thermocool ventricular tachycardia ablation trial. (varian.com)
Catheter ablation has a success rate of more than 90 percent. (bidmc.org)

Instant Heart Rate uses your iPhone's camera to detect the pulse from your fingertip - leveraging similar technique as used in pulse oximeters. (apptism.com)
Instant Heart Rate will beep with your pulse. (apptism.com)
Ventricular tachycardia is a potentially lethal arrhythmia and may result in an absent pulse. (health.am)
An adult patient with a pulse experiencing tachycardia (such as supraventricular tachycardia) will require guided care under the ACLS Adult Tachycardia With a Pulse Algorithm. (aclsonline.us)
This low pulse rate can be attributed to the effect that aerobic exercise can have on increasing the strength and efficiency of the heart, causing it to need to beat less to distribute blood throughout the body. (runtastic.com)

Some ventricular tachycardias may show in the electrophysiologic study to be suitable for an ablation procedure. (health.am)
Ventricular Tachycardia Ablation versus Escalation of Antiarrhythmic Drugs. (varian.com)
Within several seconds of ablation, there was complete cessation of tachycardia. (acc.org)
He remains free from tachycardia three months post ablation. (acc.org)
(3) In this series, focal ablation of either the earliest activation site at the os of the vein, or circumferential ablation of the culprit vein resulted in favorable long term freedom from recurrent atrial tachycardia, and atrial fibrillation. (acc.org)
(4) In three large series of patients undergoing ablation for focal pulmonary vein tachycardia, the reported development of atrial fibrillation post ablation is low. (acc.org)

In a patient with supraventricular tachycardia (SVT), the presence of warm-up phenomenon on an electrocardiogram (eg, on Holter monitoring) suggests that the SVT is atrial tachycardia. (medscape.com)
An electrocardiogram (ECG) is used to classify the type of tachycardia. (wikipedia.org)
Here, we used an electrocardiogram (ECG)-depth recorder tag to measure blue whale heart rates during foraging dives as deep as 184 m and as long as 16.5 min. (cascadiaresearch.org)

Ventricular tachycardia may be monomorphic or polymorphic and nonsustained or sustained. (msdmanuals.com)

On the other hand, a growing body of epidemiological and clinical evidence has shown that high resting heart rate (HR) within the accepted normal range is independently associated with increased risk of all-cause and cardiovascular mortality. (medscape.com)
The overall mortality of atrial flutter was similar to that of supraventricular tachycardia, at 8.0% v 8.9% (p = 0.7). (bmj.com)

Ventricular tachycardia may become an emergency situation and may be require CPR, electrical defibrillation or cardioversion (electric shock), or intravenous anti-arrhythmic medications (such as lidocaine, procainamide, bretylium, or sotalol). (health.am)

This study investigated the effect of atrial rate and antiarrhythmic drugs on ERP shortening induced by tachycardia. (tmu.edu.tw)

The heart rate is greater than 100 beats a minute. (mayoclinic.org)

Ventricular tachycardia is ≥ 3 consecutive ventricular beats at a rate ≥ 120 beats/minute. (msdmanuals.com)

Atrial tachycardia due to enhanced automaticity may be nonsustained but repetitive or it may be continuous or sustained, as in reentrant forms of atrial tachycardia. (medscape.com)

Pulmonary vein associated tachycardia is a rare entity. (acc.org)
In a retrospective series, only 3% of all atrial tachycardia from a large tertiary referral center was classified as pulmonary vein tachycardia. (acc.org)

It's characterized by an irregular heart rate caused by a change in blood flow to the heart during breathing . (healthline.com)

Reentrant atrial tachycardia is not uncommon in patients with a history of a surgically repaired atrial septal defect. (medscape.com)
In patients with cardiovascular disease, diltiazem hydrochloride administered intravenously in single bolus doses, followed in some cases by a continuous infusion, reduced blood pressure, systemic vascular resistance, the rate-pressure product, and coronary vascular resistance and increased coronary blood flow. (nih.gov)
An ICD is the best method to protect patients from ventricular tachycardia and fibrillation. (biotronik.com)
active drugs were associated with a survival rate that was significantly higher than the rate with placebo among patients with bystander-witnessed arrest but not among those with unwitnessed arrest. (nih.gov)
OBJECTIVE: The presence of tachycardia in critically ill patients is frequently used as an indication of severity of illness and to guide treatment decisions but can be influenced by body temperature, thus confounding its interpretation. (lu.se)
Change in heart rate with change in body temperature was assessed by extracting pairs of simultaneous body temperature and corresponding heart rate measurements from the electronic medical record: 472,941 simultaneous pairs were obtained from the 9,046 patients admitted during the study period. (lu.se)
CONCLUSIONS: Increase in body temperature is associated with a linear increase in heart rate of 9.46 beats/min/°C in female and 7.24 beats/min/°C in male patients. (lu.se)
Pediatric patients with surgical ventricular scars, such as those with postoperative ventricular tachycardia (VT) after repair of tetralogy of Fallot, are commonly cited examples of this mechanism. (medscape.com)
Our objectives were to describe the clinical characteristics of hospitalized patients with hypercalcemia, estimate its prevalence in the hospital setting, analyze the rate of correction of hypercalcemia, and identify prognostic variables. (bvsalud.org)

Conclusions - The atrial ERP shortening induced by tachycardia was a rate-dependent response. (tmu.edu.tw)

Beta-blockers slow an individual's heart rate, decrease myocardial contractility, and lower blood pressure, thus lessening the heart's overall workload and decreasing its demand for oxygen. (cms.gov)

Tachycardias can be further classified as either regular or irregular. (wikipedia.org)

Anatomy24

Organisms1

Diseases67

Chemicals and Drugs38

Analytical, Diagnostic and Therapeutic Techniques and Equipment50

Phenomena and Processes22

Disciplines and Occupations2

Information Science3

Named Groups1

Health Care11

Sinus26

Supraventricular tachycardias5

Beats per mi14

Bradycardia5

Complex Tachycardia1

Arrhythmias5

Symptoms15

Abnormal7

Type of arrhythmia1

Cardiac9

Atrioventricular6

Rhythms2

PSVT6

Episodes9

Focal atrial tachycardia4

Postural Tachycardia Syndrome1

Nodal1

Lead to ventricular2

Hypotension4

Types of tachycardia2

Multifocal atrial tach5

Polymorphic Ventricula1

Palpitations1

Sudden2

Conduction2

Atrial tachycardias1

Cause tachycardia1

Adults3

Rhythm10

Rapid15

Typically3

Tachyarrhythmia2

Heartbeat5

Ventricles2

Diagnosis2

POTS2

Shortness of bre1

Catheter3

Pulse5

Ablation6

Electrocardiogram3

Monomorphic1

Mortality2

Cardioversion1

Antiarrhythmic drugs1

Greater than 100 beats1

Ventricular beats1

Repetitive1

Pulmonary2

Irregular heart rate1

Patients9

Conclusions1

Myocardial1

Regular or irregular1