I was sent this ECG — told only that it was from a middle-aged man with new CP (Chest Pain). — How to approach interpreting this ECG? — What is the rhythm? — GO TO — tinyurl.com/KG-Blog-551 — :)

This ECG is from a middle-aged man who presents with new CP (Chest Pain). — What is the rhythm? How certain are you of your answer? — What is the probable cause of this rhythm? — GO TO — tinyurl.com/KG-Blog-550 — :)

This ECG is from a middle-aged woman with palpitations and dizziness. BP = 120/70. — How would YOU interpret his ECG? — Do the wide beats represent NSVT (Non-Sustained VT) or aberrant conduction? — GO TO — tinyurl.com/KG-Blog-549 — :)

I was sent this ECG — told that the patient had palpitations. Hemodynamically stable. Admitted for DKA. — How would YOU interpret his ECG? — What is the rhythm? — the likely cause of this rhythm? — GO TO — tinyurl.com/KG-Blog-548 — :)

ECG from a man in his 30s — who presents with a 1-hour history of CP (Chest Pain). He had a similar episode ~1 week earlier. — How would YOU interpret his ECG? — What happened When? — GO TO — tinyurl.com/KG-Blog-547 — :)

ECG from a man in his 60s with a history of CKD (Chronic Kidney Disease) who presented with “dizziness” but no chest pain. — How would YOU interpret his ECG? — Which ONE BEAT is KEY for interpreting the rhythm? — GO TO — tinyurl.com/KG-Blog-546 — :)

ECG from a man in his 60s with recurrent “palpitations” over a period of years. Recent ankle edema and dyspnea on exertion — but hemodynamically stable. — How would YOU interpret his ECG? — What clinical entity is suggested by this history? — GO TO — tinyurl.com/KG-Blog-545 — :)

The ECG in the Figure is from a man in his 60s — who presented to the ED for “palpitations”. He was hemodynamically stable with this rhythm. — How would YOU interpret her ECG? — How would you treat the patient? — GO TO — tinyurl.com/KG-Blog-544 — :)

The ECG in the Figure is from an older woman who presented with dizzyness and “fatigue” — but NO chest pain. — Given this history — How would YOU interpret her ECG? — SPOILER: You WILL be surprised by what Holter monitoring showed! — GO TO — tinyurl.com/KG-Blog-543 — :)

The ECG in the Figure is from a man in his 60s who is aware of his “irregular heart beat”. — Why is this rhythm irregular? — What is your differential diagnosis? — GO TO — tinyurl.com/KG-Blog-542 — :)

The challenge in today’s case is not to recognize that prompt cath is needed — because that is obvious. — The challenge is to determine the “culprit” artery? — Why care about the culprit artery? — GO TO — tinyurl.com/KG-Blog-541 — :)

The ECG in the Figure is from a 60-ish yo woman who presented with confusion and seizure activity. — How would you interpret this ECG? — Should you activate the cath lab? — GO TO — tinyurl.com/KG-Blog-540 — :)

The ECG in the Figure is from a young adult woman — with a history of recurrent SVT. — She was hypotensive with this most recent episode. — What is the rhythm? Does this “fit” with this patient’s history? — GO TO — tinyurl.com/KG-Blog-539 — :)

The ECG in the Figure is from an adult with frequent “palpitations”. Imagine no history is available. — What is the rhythm? — How certain are you of your answer? — 50% sure? or 75%? or over 95% sure? — GO TO — tinyurl.com/KG-Blog-538 — :)

The ECG in the Figure was obtained from an older woman with diabetes — who presented with acute dyspnea. — What is the rhythm? — Is there an underlying RBBB (Right Bundle Branch Block) — or aberrant conduction? — GO TO — tinyurl.com/KG-Blog-537 — :)

The ECG in the Figure was sent to me without clinical information. — What is the rhythm? (Why are there 2 different QRS morphologies?). — What is the likely underlying cause of this rhythm? — GO TO — tinyurl.com/KG-Blog-536 — :)

The limb leads shown below were recorded from a middle-aged man with diabetes and hypertension. — Is this patient in Atrial Flutter with 3:1 or 4:1 AV conduction? — GO TO — tinyurl.com/KG-Blog-535 — :)

I was sent this ECG with the question, “What is or is not conducting?”. No clinical information was available. — How would you interpret this ECG? — What is the rhythm? (Is this complete AV block?) — GO TO — tinyurl.com/KG-Blog-534 — :)

This ECG is from a previously healthy man in his 60s — who presented for new-onset “palpitations”. He was hemodynamically stable with this tracing. — How would you interpret this ECG? — What would YOU do? — GO TO — tinyurl.com/KG-Blog-533 — :)

The ECG in the Figure is from a middle-aged man — with a 1-week history of intermittent “burning chest pain” — with some “shortness of breath”. — Should you activate the cath lab? — Should you do anything else at the bedside? — GO TO — tinyurl.com/KG-Blog-531 — :)