PT flashcards on Twitter: "HEART SOUNDS ✨ ⁃The sound of the heartbeat comes primarily from blood turbulence caused by the closing of the heart valves. Smoothly flowing blood is silent. #Cardiovascular #HeartSounds #
Heart tones | definition of heart tones by Medical dictionary
Heart Measurements | BioNinja
Los Angeles Echo Society - There are two normal heart sounds that occur in sequence with each heart beat. These are the first heart sound (S1) and second heart sound (S2), produced