Please view this video in the full-screen mode and answer the following question: (Edit: 5th Oct: The answer has been posted below)
What is the JVP feature seen in this video? What does it signify?
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Answer: 5th October, 2019: These are Cannon A waves. Cannon A wave occurs with atrioventricular dissociation and right atrial contraction against a closed tricuspid valve. Large A waves are associated with reduced right ventricular compliance or elevated right ventricular end-diastolic pressure. The differential diagnoses of cannon A wave were atrial, ventricular, or junctional premature beats, ventricular tachycardia, severe tricuspid stenosis, first-degree atrioventricular block with a markedly prolonged PR interval, high-grade atrioventricular block, atrioventricular dissociation and Right Atrial Myxoma