atrioventricular block

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Related to atrioventricular block: Bundle branch block
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  • noun

Synonyms for atrioventricular block

recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat

References in periodicals archive ?
Major risk factors for perioperative cardiovascular events include unstable coronary artery disease, decompensated heart failure, high-grade atrioventricular block, symptomatic ventricular arrhythmias in patients with heart disease, uncontrolled supraventricular arrhythmias, and severe valvular disease.
Some causes of complete atrioventricular dissociation * * Sinus or atrial rhythm with complete antegrade and retrograde atrioventricular block and a junctional or ventricular escape rhythm.
Of those, two events--a mild atrioventricular block and moderate peripheral edema--were suspected to be due to the study drug.
Ivabradine has a potential advantage over [beta]-blockers: Because it specifically blocks an ion channel in the sino-atrial node, it does not causing adverse effects such as fatigue, erectile dysfunction, bronchospasm, or atrioventricular block, Dr.
Although ventricular premature complexes are the most common cause of a bigeminal rhythm, there are many other mechanisms, and frequent among these is 3:2 atrioventricular block of sinus-initiated impulses or of supraventricular tachycardias (Table) (3).
ECRI published its systematic review as a Windows on Medical Technology(TM) evidence report in March 2005: "Dual-Chamber versus Single-Chamber Pacemakers for Sinus Node Dysfunction and Atrioventricular Block.
The more serious adverse cardiovascular sequelae of tricyclic antidepressants include hypotension, atrioventricular block below the A-V node, ventricular tachycardia and fibrillation, asystole, and intractable myocardial depression (1-3).
A twelve-lead electrocardiogram revealed sinus rhythm, first-degree atrioventricular block with a PR interval of 220 msec and left bundle branch block with a QRS width of 150 msec.
Some causes of global T-wave inversion Myocardial ischemia Intracranial hemorrhage Other central nervous system disease Pericarditis Myocarditis Hypertrophic cardiomyopathy Stress-induced myocardial stunning Metabolic abnormalities Cocaine use Pheochromocytoma Nonischemic pulmonary edema High-grade atrioventricular block Aftereffect of cardiac arrest Cardiac metastases
Although syncope and sudden death may occur, some 80% to 90% of patients with isolated congenital complete atrioventricular block survive to adulthood, and the majority are asymptomatic.
Pacing indications and symptoms related required pacemaker therapy Pacing indications n (%) Surgical or acquired AV block 84 (54) VSD closure operation 21 TOF operation 18 Subaortic resection operation 13 Cardiomyopathy and/or myocarditis 7 Other cardiac operations 25 Congenital reasons 67 (43) Atrioventricular block 38 Sinus node dysfunction 29 Other Long QT syndrome and hypertrophic 4 (3) cardiomyopathy 4 (3) Pacing symptoms n (%) Postoperative status 77 (50) Bradycardia related seizures, syncope, presyncope 19 (12) Bradycardia related exercise intolerance 21 (13.
3] uptake) Electrocardiographic abnormalities: Sinus tachycardia Hypokalemic changes: prominent U wave, prolonged PR interval, Increased P-wave amplitude, widened QRS complexes First-degree atrioventricular block Atrial and ventricular arrhythmias * Adapted from references 1, 3, 7, and 14.
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