Atrial Flutter : Conduction & Ventricular Response Atrial flutter is a macro-reentrant atrial tachycardia with a characteristic sawtooth pattern on ECG, most visible in leads II, III, and aVF. The atrial rate is typically regular and ranges from 250-350 bpm. The ventricular response is determined by the refractory period of the atrioventricular (AV) node, leading to fixed conduction ratios. 🔹 2:1 Block: Most common; ventricular rate ~150 bpm 🔹4:1 Block: Target with pharmacologic rate control �
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Atrial Flutter : Conduction & Ventricular Response Atrial flutte…
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Muneer Jan on Instagram: "ADENOSINE (SVT KILL SWITCH) Adenosine is not a “gentle” drug. It’s a diagnostic and therapeutic weapon—and if you don’t respect it, it will embarrass you in front of your team. WHAT IT DOES • Transiently blocks AV node conduction • Interrupts re-entrant SVTs (AVNRT, AVRT) • Ultra-short half-life (~10 seconds) → works or fails instantly • If rhythm doesn’t pause, you gave it wrong WHEN TO USE ✅ Regular narrow-complex tachycardia ❌ Irregular rhythms (AF, atrial flutter wi
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Muneer Jan on Instagram: "ADENOSINE (SVT KILL SWITCH) …
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Dr. Muzzammil Ali 🩺 on Instagram: "Atrial fibrillation generates multiple chaotic atrial impulses, reaching the AV node in an unpredictable pattern. This produces variable conduction and an irregularly irregular pulse. Atrial flutter, however, arises from a single organised re-entry circuit with stable atrial activation. The AV node often blocks these impulses in a fixed ratio, giving a typically regular ventricular rhythm. The difference lies in atrial organisation and AV nodal behaviour, not
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Dr. Muzzammil Ali 🩺 on Instagram: "Atrial fibrillation generates multip…
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Instagrammrcpfacts
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