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*  Heart arrhythmia
Sinus bradycardia Premature atrial contractions (PACs) Wandering atrial pacemaker Atrial tachycardia Multifocal atrial ... Long QT Syndrome is another complex problem in the heart and has been labeled as an independent factor in mortality. There are ... Extra beats include premature atrial contractions, premature ventricular contractions, and premature junctional contractions. ... Atrial flutter Atrial fibrillation (Afib) AV nodal reentrant tachycardia Junctional rhythm Junctional tachycardia Premature ...
*  Bigeminy
Atrial premature complexes (APCs) do not have a compensatory pause since they reset the sinus node but atrial or ... In atrial bigeminy, the other "twin" is a premature atrial contraction (PAC). After any PVC there is a pause that can lead to ... When the atrial rhythm is irregular (as in atrial fibrillation or sinus arrythmia) the presence of bigeminy depends on the ... If the APCs are very premature, the wave front can encounter a refractory AV node and not be conducted. This can be mistaken ...
*  Premature atrial contraction
... s (PACs), also known as atrial premature complexes (APC) or atrial premature beats (APB), are a ... This can be either a premature atrial contraction or a premature impulse from the atrioventricular node. SVES should be viewed ... Often, hypertension goes hand in hand with various atrial fibrillations including premature atrial contractions (PACs). ... narrow QRS complex. However, if the atrial beat is premature enough, it may reach the atrioventricular node during its ...
*  List of MeSH codes (C23)
... premature MeSH C23.550.073.325.050 --- atrial premature complexes MeSH C23.550.073.325.800 --- ventricular premature complexes ... atrial flutter MeSH C23.550.073.300 --- bradycardia MeSH C23.550.073.325 --- cardiac complexes, ... ectopic atrial MeSH C23.550.073.845.880.320 --- tachycardia, ectopic junctional MeSH C23.550.073.845.880.840 --- tachycardia, ...
*  APC
... a ubiquitin ligase cell cycle protein Atrial premature complexes, a type of premature heart beat or irregular heart beat or ... a chemical compound Anaphase-promoting complex, a complex of several proteins activated during mitosis Antigen-presenting cell ... an anti-coagulant and anti-inflammatory protein Anaphase-promoting complex, ...
*  List of MeSH codes (C14)
... premature MeSH C14.280.067.325.250 --- atrial premature complexes MeSH C14.280.067.325.500 --- ventricular premature complexes ... atrial flutter MeSH C14.280.067.319 --- bradycardia MeSH C14.280.067.325 --- cardiac complexes, ... atrial MeSH C14.240.400.560.375.518 --- lutembacher's syndrome MeSH C14.240.400.560.375.702 --- trilogy of fallot MeSH C14.240. ... atrial MeSH C14.280.400.560.375.518 --- lutembacher's syndrome MeSH C14.280.400.560.375.702 --- trilogy of fallot MeSH C14.280. ...
*  Amoebic liver abscess
The other rare E.C.G. changes include deformity of QRS complexes, prolongation of PR interval, atrial premature beats, and ... atrial tachycardia. In adults, fatal cases have been reported with a total dose of 0.6 G. or less. The incidence of toxic heart ...
*  Premature ventricular contraction
"ST-segment abnormalities and premature complexes are predictors of new-onset atrial fibrillation: the Niigata preventive ... also known as a premature ventricular complex, ventricular premature contraction (or complex or complexes) (VPC), ventricular ... PVCs can be distinguished from premature atrial contractions because the compensatory pause is longer following premature ... Bigeminy Heart rate turbulence Premature atrial contraction Premature junctional contraction This condition can occur in ...
*  List of dog diseases
Doberman Pinschers more commonly have ventricular arrhythmias (e.g., premature ventricular complexes; ventricular tachycardia) ... Atrial septal defect* is a hole in the division between the heart atria (upper chambers of the heart). It is an uncommon ... Glomerulonephritis* is the presence of immune complexes in the glomerulus, resulting in leakage of protein into the urine. It ... Rare causes include trauma, clotting disorders, and left atrial rupture. Serous accumulation is rare and caused by heart ...
*  Premature junctional contraction
... not preceded by any atrial complex or P wave or preceded by an abnormal P wave with a shorter PR interval. Rarely, the abnormal ... Premature atrial contraction Premature ventricular contraction Tipton MJ, Kelleher PC, Golden FS Institute of Naval Medicine, ... On the surface ECG, premature junctional contractions will appear as a normally shaped ventricular complex or QRS complex, ... Premature junctional contractions (PJCs), also called atrioventricular junctional premature complexes or junctional ...
*  Ashman phenomenon
It is more often misinterpreted as a premature ventricular complex. It is named for Richard Ashman (of New Orleans) (1890 -1969 ... Harrigan, RA; Garg, M (Dec 2013). "An interesting cause of wide complex tachycardia: Ashman's phenomenon in atrial fibrillation ... This wide QRS complex typically has a right bundle branch block morphology and represents an aberrantly conducted complex that ... Ashman beats are described as wide complex QRS complexes that follow a short R-R interval preceded by a long R-R interval. ...
*  Rhythm interpretation
... the QRS complex is normal. A premature atrial pacemaker has a regular underlying rhythm however there is a premature beat which ... Atrial Flutter has an atrial rate of 250-400 and can be identified by p waves with saw tooth deflections. Atrial fibrillation ... Atrial Arrhythmias There are 5 different atrial arrhythmias. A wondering atrial pace maker can be either normal or irregular in ... the QRS complex is premature for the PAC, but is generally normal. Paroxysmal atrial tachycardia has a regular rate, however a ...
*  Sodium channel blocker
Procainamide can be used to treat atrial fibrillation in the setting of Wolff-Parkinson-White syndrome, and to treat wide ... Class Ib agents are indicated for the treatment of ventricular tachycardia and symptomatic premature ventricular beats, and ... complex hemodynamically stable tachycardias. Oral procainamide is no longer being manufactured in the US, but intravenous ... While procainamide and quinidine may be used in the conversion of atrial fibrillation to normal sinus rhythm, they should only ...
*  Wandering pacemaker
This arrhythmia may also be confused with sinus rhythm with multifocal premature atrial contractions, although in this ... Ventricular conduction is normal with wandering pacemaker, and thus the QRS complex is normal. Cleveland Clinic Atrial ... A wandering atrial pacemaker, also termed multifocal atrial rhythm, is present when there are three or more ectopic foci within ... Wandering atrial pacemaker (WAP) is an atrial arrhythmia that occurs when the natural cardiac pacemaker site shifts between the ...
*  Atrioventricular reentrant tachycardia
Initiation of AVRT may be through a premature impulse of atrial, junctional, or ventricular origin. Acute management is as for ... would appear as a narrow-complex SVT. Between episodes of tachycardia the affected person is likely to be asymptomatic, however ... Then, the electrical impulse pathologically passes back into the atria via the accessory pathway, causing atrial contraction, ...
*  Outline of cardiology
Premature atrial contractions (PACs or APCs) - Normal beats originate in the SA node and extra beats originating from the atria ... Troponin - The troponin complex is present in skeletal and cardiac muscle, but cardiac-specific forms of troponin I and ... Atrial fibrillation (afib or AF) - Fibrillation of the atria is fairly common and more common with increased age and overall ... Atrial flutter (AFL) - A re-entrant tachycardia greater than 240 beats per minute and produces a characteristic saw-tooth ...
*  Lown-Ganong-Levine syndrome
... atrial flutter, or even ventricular tachycardia. Cardiac electrophysiology Electrocardiogram Electrophysiology study Premature ... Lown B, Ganong WF, Levine SA (May 1952). "The syndrome of short P-R interval, normal QRS complex and paroxysmal rapid heart ... with normal QRS complex configuration and duration. It can be distinguished from WPW syndrome because the delta waves seen in ... Individuals with LGL syndrome have a short PR interval with normal QRS complexes and paroxysms of clinically-significant ...
*  Electrocardiography
Rhythm disturbances/ Arrhythmias: Atrial fibrillation & atrial flutter without rapid ventricular response Premature atrial ... QRS complexes is the hallmark of atrial fibrillation A "saw tooth" pattern with QRS complexes is the hallmark of atrial flutter ... For example, an "irregularly irregular" QRS complex without P waves is the hallmark of atrial fibrillation; however, other ... The P wave represents atrial depolarization. The QRS complex represents ventricular depolarization. The T wave represents ...
*  Ectopic pacemaker
During atrial ectopic activity where the P wave is normally rounded can be inverted or peaked. However the QRS complex and T ... When an ectopic pacemaker initiates a beat, premature contraction occurs. A premature contraction will not follow the normal ... An ectopic pacemaker located in the atria is known as an atrial pacemaker and can cause the atrial contraction to be faster. An ... "Disturbances in Atrial Rhythm and Conduction Following the Surgical Creation of an Atrial Septal Defect by the Blalock-Hanlon ...
*  Arrhythmogenic right ventricular dysplasia
The type of arrhythmia ranges from frequent premature ventricular complexes (PVCs) to ventricular tachycardia (VT) to ... Signs and symptoms of left ventricular failure may become evident, including congestive heart failure, atrial fibrillation, and ... This is described as a terminal notch in the QRS complex. It is due to slowed intraventricular conduction. The epsilon wave may ... Congenital heart disease Repaired tetralogy of Fallot Ebstein's anomaly Uhl's anomaly Atrial septal defect Partial anomalous ...
*  Hein Wellens
In 1971, he reported on the use of programmed electrical stimulation of the heart in patients with atrial flutter, AV nodal ... For over 30 years, he has been coaching a high-yield "How to Approach Complex Arrhythmias" course for cardiologists and EP ... was shown for the very first time that were first shown to be possibly initiated and terminated by critically timed premature ... the arrhythmia of patients with ventricular tachycardia could also reproducibly be initiated and terminated by timed premature ...
*  Lorcainide
... wherein it suppresses chronic premature ventricular complexes. [4] It has a half life of 26.5 +-7.2 hrs. [9] Synthesis starts ... 5] Untreated arrhythmias may progress to atrial fibrillation or ventricular fibrillation. [5] Treatment is aimed at normalizing ... is a Class 1c antiarrhythmic agent that is used to help restore normal heart rhythm and conduction in patients with premature ...
*  Shimmer Sensing
The Shimmer3 ECG unit can be applied to a variety of applications such as heart function monitoring , atrial fibrillation , ... The application is used to gain an insight into the complex emotional response of an audience to marketing material, ... premature ventricular contraction , abnormal rhythm detection and alert. The Shimmer3 EMG (Electromyogram) measures and records ...
*  Electrical conduction system of the heart
Atrial repolarization occurs and is masked during the QRS complex by ventricular depolarization on the ECG. The last event of ... This prevents premature relaxation, maintaining initial contraction until the entire myocardium has had time to depolarize and ... The delay in the AV node forms much of the PR segment on the ECG, and part of atrial repolarization can be represented by PR ... The spread of electrical activity through the ventricular myocardium produces the QRS complex on the ECG. ...
*  Birth defect
Rubella can also lead to atrial and ventricular septal defects in the heart. If exposed to rubella in the second trimester, the ... According to the CDC, most birth defects are believed to be caused by a complex mix of factors including genetics, environment ... Vitamine A and similar substances can induce spontaneous abortions, premature births, defects of eyes (microphthalmia), ears, ... For 20-25% of anomalies there seems to be a "multifactorial" cause, meaning a complex interaction of multiple minor genetic ...
*  Jugular venous pressure
Atrial flutter Premature atrial rhythm (or tachycardia) Third degree heart block Ventricular ectopics Ventricular tachycardia ... The exact physiologic mechanism of jugular venous distention with a positive test is much more complex and the commonly ... The " x " descent follows the 'a' wave and corresponds to atrial relaXation and rapid atrial filling due to low pressure. The ... The absence of 'a' waves may be seen in atrial fibrillation. An elevated JVP is the classic sign of venous hypertension (e.g. ...
*  Bradycardia
A junctional escape complex is a normal response that may result from excessive vagal tone on the SA node. Pathological causes ... Atrial bradycardias are divided into three types. The first, respiratory sinus arrhythmia, is usually found in young and ... For infants, bradycardia is defined as a heart rate less than 100 BPM (normal is around 120-160). Premature babies are more ... This usually appears on an EKG with a normal QRS complex accompanied with an inverted P wave either before, during, or after ...