All Journals from MD O’Neill
Abstract
Symptomatic bradycardia is a common reason for presentation to Emergency Departments in the UK. Nevertheless, the acute management of bradycardia remains a cause for unnecessary anxiety and confusion among admitting physicians. This article reviews the aetiology, electrocardiographic appearances and management of the common defects of cardiac conduction which may manifest clinically as bradycardia. Particular attention is paid to bradycardia in the context of acute myocardial infarction and the role of temporary cardiac pacing.
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Abstract
Narrow complex tachycardia usually refers to an abnormality of cardiac rhythm involving the tissues of the sinus node, atrial tissue, the atrioventricular node or an accessory atrioventricular communication. Although atrial fibrillation is the most common supraventricular arrhythmia, the term “supraventricular tachycardia” conventionally refers to the group of rhythm disturbances encompassing sinus tachycardia (appropriate and inappropriate), atrial tachycardia, atrial flutter, atrioventricular nodal reciprocating tachycardia (AVNRT) and atrioventricular reciprocating tachycardia (AVRT) including the Wolff Parkinson White syndrome (WPW). Atrial fibrillation is beyond the scope of this article which focuses on the diagnosis and acute management of the patient presenting with one of these common causes of a regular, narrow complex tachycardia.
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