Explain heart sounds.
Heart sounds are noises generated through the last and starting of the coronary heart valves. In a wholesome individual, there are ordinary coronary heart sounds known as luband dub. Lub is the primary coronary heart sound. It is related to the closure of the tricuspid and bicuspid valves at the start of systole. The 2d coronary heart sound dubis related to the closure of the semilunar valves at the start of diastole. These sounds offer crucial data approximately the situation and running of the coronary heart.
