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AV block

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Listen for: Listen for a slow rate, pauses where a beat is missing, or S1 that varies in loudness. The dataset does not say which degree of block each recording is.

Usually means: Delayed or blocked conduction from atria to ventricles; the degree is made on an ECG.

9 recordings of this finding. Compare with normal heart sounds to hear the difference.

References1
  1. Bickley LS, Szilagyi PG, Hoffman RM, Soriano RP. Bates' Guide to Physical Examination and History Taking. 13th ed. Philadelphia: Wolters Kluwer; 2021. Cardiovascular system chapter.