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Tag Murmurs
CCC Critical Care Compendium 680

Murmurs DDx

Heart murmurs are abnormal heart sounds believed to be caused by turbulent flow across heart valves or vascular abnormalities. When assessing a murmur, determine 6 characteristics: position at which it is loudest, grade, timing, duration, presence of a thrill, radiation and changes during respiration or with dynamic manoeuvers