11/29/2011

ICU: Pulsus Alternans

What is the significance of Pulsus Alternans?
6 mo old baby girl, s/p VSD closure, Repair of Cleft mitral valve. Postop. ICU stay. Residual VSD with Pulmonary hypertension. Pulsus alternans is noted in the PA line pressure traces.
Panel 1 - DDD pacing










Panel 2 - Pacing Off












Panel 3 - AAI pacing











Panel 4 - VVI pacing

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