|
Produced by: |
Closure of aortic and pulmonary valves |
|
Auscultation |
Diaphragm.
 'lub DUP'
|
A2  Intensity
|
Systemic HTN
|
|
P2 Intensity
|
Pulmonary HTN
|
|
Normal Splitting
|
A2 --- P2 (aortic component is louder).
'lub T-DUP'
|
|
Physiologic Splitting
|
A2 --- P2 (normal in inspiration not expiration).
|
|
Widened Physiologic Splitting
|
A2 ------ P2 (complete RBBB, PS).
|
|
Fixed Splitting
|
A2 ---- P2 (RBBB, PS, ASD).
|
|
'Paradoxic' (reversed) Splitting
|
P2 --- A2 (maximum in expiration, not in inspiration. LBBB, AS, systemic HTN).
|
|
Comments
|
|
