Saturday, October 3, 2009

Poor R wave progression

The differential for old anteroseptal MI is:

1. Emphysema - you see low R wave voltages V1-3 but also an R prime in V1 and V2 (because of the lateral S waves), a vertical axis and RAA.

2. Lead placement

3. LVH/HCM because the tall R waves laterally mean that there will be negative vectors septally..

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