Category Archives: Electrophysiology (EP)

monomorphic ventricular tachycardia

Monomorphic Ventricular Tachycardia

Ventricular Tachycardia (VT) is an A-list celebrity in the arrhythmia world! When I began my involvement with EP, two cases convinced me it was worth continuing with. The first was seeing ablation of an accessory pathway but the most impressive was termination of incessant VT by ablation. VT is a term used to describe a…

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Adenosine in electrophysiology

Adenosine in Electrophysiology

An important drug you will come across in electrophysiology is ADENOSINE. This article introduces uses of adenosine in electrophysiology. It does not cover indications/contraindications or dose, for which local/national guidelines should be consulted. Adenosine is a naturally occuring compound that plays an important role in many biochemical processes. It inhibits calcium channels causing a decrease…

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Persistent Junctional Reciprocating Tachycardia

Persistent Junctional Reciprocating Tachycardia (PJRT)

Persistent (permanent) junctional reciprocating tachycardia (PJRT) is an unusual form of supraventricular tachycardia with a 1:1 AV relationship. PJRT classically occurs in children and is characterized by an incessant and sometimes even permanent narrow complex tachycardia – the tachycardia may be the patient’s predominant rhythm. PJRT does occur in adults but in about half these…

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Atrial Flutter Ablation

Atrial Flutter Ablation

Atrial flutter is characterised by rapid but regular atrial depolarisations with a consistent ECG morphology. In the most common form the inferior leads on the ECG show a p wave with a gradual down-slope followed by a rapid upstroke. This is described as a “saw-tooth” appearance and is easily recognised (Fig 1). There are less…

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Atrial Fibrillation in EP

Atrial Fibrillation (AF) Ablation

– An Introduction to the Ablation of Atrial Fibrillation. “During the past decade, catheter ablation of atrial fibrillation (AF) has evolved rapidly from a highly experimental unproven procedure, to its current status as a commonly performed ablation procedure in many major hospitals throughout the world”. – HRS/EHRA/ECAS Expert Consensus Statement on Catheter and Surgical Ablation…

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