Figure 1

A 72 year old woman presents with palpitations and pre-syncope. Initial ECG is shown (Figure 1):

Figure 2

A Valsalva manoeuvre is attempted and subsequent ECG is shown
(Figure 2):

A 19 year-old woman presents with palpitations. Continuous rhythm strip post adenosine is shown. What is the likely mechanism of tachycardia? Does this patient need an urgent ablation?

A/Prof Alex Voskoboinik, March 2023

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A 68 year old male with a long standing non-ischaemic cardiomyopathy is admitted with a NSTEMI and found to have triple vessel disease. On Day 1 post-CABGs, he complains of dizzy spells and the following is seen on telemetry.

A/Prof Alex Voskoboinik, February 2023

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A 16 year old girl with a history of recurrent paroxysmal palpitations and a structurally normal heart has the following 12-lead ECG recorded during an especially severe episode for which she obtained urgent medical assistance. 

Haris Haqqani, November 2022 

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A 57 year-old woman with a loop recorder in-situ for investigation of syncope presents to the emergency department with recurrent dizzy spells. Loop recorder tracings (1 & 2) are shown on the link below

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Alex Voskoboinik  October 2022

A 76 year-old gentleman presents for a pacemaker check 4 months post implant. High ventricular rate episodes are noted, as shown below. He is asymptomatic during episodes:

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Alex Voskoboinik  September 2022

A 28 year old nurse with a long history of paroxysmal palpitations has the following 12-lead ECG and 2-channel telemetry trace recorded during an episode.

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Haris M. Haqqani August 2022

A 38 year-old develops left arm and wrist pain while riding his bicycle.  A coronary angiogram is planned. What does the ECG left show?

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Alex Voskoboinik July 2022

A 48 year-old male presents with 3 months of exertional dyspnoea.
He takes candesartan 8 mg daily and atenolol 50 mg daily for hypertension. ECG is shown left:

What is the most likely diagnosis?        Read more here to find the answer…

Alex Voskoboinik June 2022

Stem: A 29 year-old male presents with a 2 month history of frequent palpitations. Bedside TTE shows mild-moderate global LV dysfunction. What are the differential diagnoses?

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Alex Voskoboinik May 2022

A 25 year-old male with no past history presents with palpitations.

What is the most likely diagnosis?    Why are there two QRS morphologies?

Alex Voskoboinik April 2022

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