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ECG Blog #396 — Why the Flat Line?

Ken Grauer, MD

The ECG in Figure-1 — was obtained from a middle-aged man with palpitations and shortness of breath. How would YOU interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today's case. ( To improve visualization — I've digitized the original ECG using PMcardio ). Figure-1: The initial ECG in today's case. (

EKG/ECG 442
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ECG Blog #436 — Bigeminy or Alternans?

Ken Grauer, MD

The ECG in Figure-1 — was obtained from an older man with known coronary disease. He developed cardiac arrest shortly after the ECG in Figure-1 was recorded. QUESTIONS: How would YOU interpret the ECG in Figure-1 ? QUESTIONS: How would YOU interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today's case. (

EKG/ECG 401
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ECG Blog #418 — A Single Lead Tells the Tale.

Ken Grauer, MD

The ECG in Figure-1 was obtained from a previously healthy man in his 40s — who presented to the ED ( E mergency D epartment ) with new-onset CP ( C hest P ain ) that awakened him from sleep. ECG #1 was recorded ~90 minutes after the patient was awakened from sleep. Figure-1: The initial ECG in today's case. (

EKG/ECG 420
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ECG Blog #380 — What is "Swirl"?

Ken Grauer, MD

The ECG in Figure-1 — was obtained from an older woman with persistent CP ( C hest P ain ) over the previous day. Figure-1: The initial ECG in today's case. Voltage for LVH is satisfied — at least by Peguero Criteria ( Sum of deepest S in any chest lead + S in V4 ≥23 mm in a woman — as discussed in ECG Blog #73 ).

EKG/ECG 362
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ECG Blog #412 — Is Cardiac Cath Indicated?

Ken Grauer, MD

The ECG in Figure-1 was obtained from a middle-aged man with known hypertension — who presented to the ED ( E mergency D epartment ) for CP ( C hest P ain ) over the preceding 2-3 days. QUESTIONS: How would YOU interpret the ECG in Figure-1 ? The Initial ECG in Today’s CASE: The rhythm in ECG #1 is sinus at 65-70/minute.

EKG/ECG 397
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ECG Blog #392 — Repolarization T Waves?

Ken Grauer, MD

The ECG in Figure-1 was obtained from a man in his 60s — who described the sudden onset of "chest tightness" that began 20 minutes earlier, but who now ( at the time this ECG was recorded ) — was no longer having symptoms. In view of this history — How would YOU interpret this ECG? Figure-1: The initial ECG in today's case. (

EKG/ECG 362
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ECG Blog #424 — Proportionality and the "Cut Off"

Ken Grauer, MD

The ECG in Figure-1 was obtained from a middle-aged woman — who presented with low back pain, shortness of breath and marked hypertension — but no CP ( C hest P ain ). QUESTIONS: In view of this history — How would YOU interpret this ECG? Figure-1: The initial ECG in today's case. Figure-1: The initial ECG in today's case.

EKG/ECG 236