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ECG Blog #399 — Which Laddergram is Correct?

Ken Grauer, MD

With P waves labeled — Isn't it now much easier to appreciate that the atrial rhythm is quite regular ( with no more than a slight sinus arrhythmia )? P utting I t A ll T ogether : The precise mechanism of today's arrhythmia is complex and difficult to determine. For those with a special interest in cardiac arrhythmias — READ ON! —

Blog 160
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ECG #413 — A Pre-Op ECG in an ASx Patient

Ken Grauer, MD

Looking first at the long-lead II rhythm strip — there is significant bradycardia , with a heart R ate just under 40/minute. But the point to emphasize — is that it should only take seconds to recognize that there is bradycardia from significant AV block. = Would you approve her for a nonemergent surgical procedure?

Blog 95