• With loss of cardiac cells increasing progressively, infected individual will experience abnormalities in left ventricular systolic and diastolic function, as well as electrical conduction defects manifesting as cardiac dysrhythmias. (wikipedia.org)
  • 427.8 Other specified cardiac dysrhythmias 427.81 Sick sinus syndrome 427.89 Sinus bradycardia, NOS 427.9 Cardiac dysrhythmia unspecified Gallop rhythm 428 Heart failure 428.0 Congestive heart failure unspecified 428.1 Left heart failure Pulmonary edema, acute 428.2 Systolic heart failure 428.3 Diastolic heart failure 428.4 Heart failure, combined, unspec. (wikipedia.org)
  • A unique electrical conduction system in the heart causes it to beat in its regular rhythm. (kidshealth.org)
  • The aims of this study were to (1) examine development of sinus node dysfunction (SND), atrial and ventricular tachyarrhythmias, and (2) study progression of atrioventricular conduction abnormalities in young adult patients with repaired cAVSD. (1library.net)
  • Patients' medical files were evaluated for occurrence of SND, atrioventricular conduction block (AVB), atrial and ventricular tachyarrhythmias. (1library.net)
  • Terms to describe these fetal heart conditions are sometimes used interchangeably and can be referred to as congenital heart disease, fetal heart defects, fetal cardiac abnormalities and fetal anomalies. (childrenscolorado.org)
  • Sinus node dysfunction, when the heart's sinus node isn't working correctly, usually after surgery to correct a congenital heart defect . (rchsd.org)
  • Detection and Prevention of Cancer Surgical Management Acute Respiratory Failure Sinus Node Dysrhythmias Orbital Fractures Parkinson Disease Liver Metastases Anatomic and Physiologic Overview Components of the Electrocardiogram Enfermería medicoquirúrgica. (britzerdamm.de)
  • This is an Important attention In sufferers with coronary artery disease, coronary heart failure, dysrhythmias, valvular disease, and different cardiovascular disorders. (yourzdoctor.com)
  • These include chronic left-sided congestive heart failure , pulmonary embolus, valvular heart disease (especially mitral and tricuspid diseases), and septal defects. (medscape.com)
  • The combination of atrial tachyarrhythmias and atrioventricular nodal conduction disturbances defines tachycardia-bradycardia syndrome. (biomedcentral.com)
  • This condition has traditionally been characterized as a macroreentrant dysrhythmia with the re-entrant loop just above the atrioventricular (AV) node in the right atrium. (medscape.com)
  • Because the AV node cannot conduct at the same rate as the atrial activity, some form of conduction block is often seen, typically 2:1 (most common), 3:1, or 4:1. (medscape.com)
  • A type of atrial arrhythmia characterized by atrial rates of between 240 and 400 beats per minute and some degree of atrioventricular node conduction block. (nih.gov)
  • Those that involve the AV node can be terminated by slowing conduction through the AV node . (wikidoc.org)
  • Cardiovascular risk in special populations IV: Congenital heart defects. (rush.edu)
  • Here, we show that HGPS-related lamina defects trigger an altered 3D telomere organization with increased contact sites between telomeres and the nuclear lamina, and an altered telomeric chromatin state. (bvsalud.org)
  • The most common heart defect associated with the condition is Ebstein anomaly, which affects the valve that allows blood to flow from the right atrium to the right ventricle (the tricuspid valve). (nih.gov)
  • With advancing age, the risk of development of dysrhythmias may increase. (1library.net)
  • Lev's Syndrome is a rare, progressive cardiac conduction defect (PCCD) due to myocardial fibrosis first described by Maurice Lev in 1964. (nih.gov)
  • 1-3 Myocardial contusion with structural myocardial damage may induce serious arrhythmias or conduction defects. (silverchair.com)
  • Cardiac arrhythmias can be classified by the abnormalities in HEART RATE , disorders of electrical impulse generation, or impulse conduction. (bvsalud.org)
  • In developed countries, cardiomyopathies, structural heart diseases, pulmonary hypertension, acute myocardial infarction and conduction abnormalities are the leading cardiac causes of maternal mortality. (longdom.org)
  • Temporary Cardiac pacing is a method where a small electrical current is delivered to the heart to initiate myocardial contractions artificially when the intrinsic stimulation of myocardium is insufficient to maintain hemodynamic stability due to disturbances in the conduction system. (nursingjobsexam.com)
  • On serial ECGs, the conduction rhythm changed from an initial new first-degree atrioventricular (AV) block with left bundle branch block (LBBB), to a later first-degree AV block without LBBB. (nih.gov)
  • Second-degree atrioventricular (AV) block, or second-degree heart block, is a disease of the cardiac conduction system in which the conduction of atrial impulse through the AV node and/or His bundle is delayed or blocked. (medscape.com)
  • Any abnormal alteration of atrioventricular conduction. (cdc.gov)
  • However, there is also pathological bradycardia, which is caused by conditions that affect the electrical conduction system of the heart, including sick sinus syndrome (SSS) and/or atrioventricular (AV) block. (rxharun.com)
  • The electrophysiologist evaluated cardiac conduction (duration of the QRS complex, and AA, AH, HV, and PA intervals), duration of sinoatrial node recovery, and cardiac refractory period (refractory period of the right atrium, right ventricle, and atrioventricular node). (bjan-sba.org)
  • Occurrence of arrhythmia, of an electrically silent area (i.e., area with no electrical activity), and of line of fixed conduction block were reported before and for 1 h after contusion. (silverchair.com)
  • The arrhythmia analysis showed that all ventricular tachycardias but one were based on reentry developed around an electrically silent area or a line of fixed conduction block. (silverchair.com)
  • But sometimes the electrical signals are abnormal, and the heart can start beating in a different rhythm - this is an arrhythmia (also called dysrhythmia). (kidshealth.org)
  • In rare cases they can embolize through a patent foramen ovale or atrial septal defect. (doctorlib.info)
  • When grouped beating is seen, one should always suspect Wenckebach conduction. (ecgguru.com)
  • Without P waves and PR intervals, GROUPED BEATING is our major clue to Wenckebach conduction. (ecgguru.com)
  • Musculoskeletal and connective tissue disorders: Proximal myopathy, depressed tendon reflexes, abnormal nerve conduction. (drugcentral.org)
  • A heart has numerous pacemaker sites within its conduction system which are independently able to keep the heart beating. (rxharun.com)
  • And the rate of a heartbeat depends upon the pacemaker site, and as we go down its conduction system, the rate of spontaneous depolarization at pacemaker sites decrease. (rxharun.com)
  • Progressive conduction defects are a feature of Kearns-Sayre syndrome, a neuromuscular disorder. (uscjournal.com)
  • Heart failure or dysrhythmias that do not respond to treatment may result in death. (medlineplus.gov)
  • A unique electrical conduction system in the heart causes it to beat in its regular rhythm. (kidshealth.org)
  • It is characterized by the triad of progressive external ophthalmoplegia, pigmentary degeneration of the retina, and cardiac conduction delay. (uscjournal.com)
  • With the prevalence of electrocardiogram (ECG) use in the emergency department (ED) for cardiac- and non-cardiac complaints, dysrhythmias can be incidentally found and confuse diagnosis and disposition. (nih.gov)
  • 4 More complicated intracardiac injuries involved the coronary arteries, valvular apparatus, and intracardiac fistulas (such as ventricular septal defects). (doctorlib.info)
  • 6 Intracardiac electrophysiology studies show that most conduction block occurs infranodally (a disease of the His-Purkinje system). (uscjournal.com)
  • 1. Sporadic reports of hypotension, nonspecific ST-T wave changes, QT prolongation, ventricular premature depolarization, right bundle-branch block, T-wave inversion, delayed intraventricular conduction, first degree AV block and torsades de pointes have been noted. (antidepressantsfacts.com)
  • Whenever you have a second degree block with greater than a 4:1 conduction you are usually looking at a multi-level AV (or AV-junctional) block. (ecgguru.com)
  • Amiodarone is an antiarrhythmic medication used to treat and prevent a number of types of cardiac dysrhythmias . (cloudfront.net)
  • An implantable cardioverter-defibrillator (ICD) is a specialized device designed to directly treat many dysrhythmias, and it is specifically designed to address ventricular tachyarrhythmias. (medscape.com)
  • With loss of cardiac cells increasing progressively, infected individual will experience abnormalities in left ventricular systolic and diastolic function, as well as electrical conduction defects manifesting as cardiac dysrhythmias. (wikipedia.org)
  • Only 2% of patients surviving the initial injury required reoperation for a residual defect. (doctorlib.info)
  • The objective of this study was to evaluate the effects of this drug in cardiac conduction and refractory period in human beings. (bjan-sba.org)