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Fourth Heart Sound Atrial Gallop |
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Fourth Heart Sound Atrial Gallop |
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Brief Information |
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| Description | An fourth heart sound due to forceful atrial ejection. |
| Type and Detection | Heard over apex; while patient is at at supine or left semilateral position. |
| Findings on Examination |
Low pitch extra heart sound at late diastole or early systole. Increases with
forced inspiration, exercise, elevation of legs, and with increased venous return. |
| Compare with |
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| Normal Heart Sound (441K) |
| Third Heart Sound (441K) |
| Summation Gallop (383K) |
Y.E. Kocabasoglu and R.H. Henning
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