Mitral Regurgitation with Sinus Tachycardia

Amara Estrada, DVM, DACVIM (Cardiology) University of Florida

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A grade 3/6 systolic murmur is auscultated over the left apex region in this heart sound, which is plateau (band-shaped) and occurs throughout systole, making it difficult to identify S1 or S2 sounds. This dog is also tachycardic, making the murmur more difficult to hear.

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