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69 year old man with substernal chest discomfort. BP 70 mm Hg. History of HTN.

Vent. rate 64 bpm
PR interval 138 ms
QSR duration 80 ms
QT/QTc 394/406 ms
P-R-T axes 59 55 84

Questions For Thought

1. In what part of the heart is there a problem?
2. What is the differential for the ST-segment abnormality seen in V1 and V2?

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