Monday, September 19, 2011

Weakness due to Bradycardia due to Sick Sinus with Sinoatrial block, with Ashmann's phenomenon

This post is from last December, and shows sinoatrial block.  A reader was puzzled by why one p-wave conducted and another did not.

I had not thought about it at the time, but K. Wang noticed that the preceding R-R intervals were different, and this led to Ashmann's phenomenon.

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