Medicaltalks over 8 years ago

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Dissecting a heart is most definitely a fascinating journey. Here's a great shot of an hypertrophic heart that shows the papillary muscles and the chordae tendinae within the heart. The papillary muscles within the ventricles attach to the cusps of the atrioventricular valves via the tendinous chords, which are referred to as the “heart strings” since they resemble small pieces of string. They prevent the prolapse of the mitral and tricuspid valves during ventricular systole, thus prevent regurgitation (or back flow) of the blood during back to the right or left atrium. Regurgitation can be the result of papillary dysfunction or chordate rupture, which commonly happened following an acute myocardial infarction. Photo by @medizzy app.