Heart and its structure

Human heart is a roughly triangular structure and a muscular organ. It is situated in the thoracic cavity between the two lungs. One third of its part lies on the right side and two third on the left side. An average human heart weighs about 300-350 grams which is about 12 cm long and 9 … Read more

Heart sounds

Heart sounds

Introduction to heart sound With each heart-beat, the detectable heart sounds are produced. These sounds represent the auscultatory events of the cardiac cycle. Heart sounds can be amplified and recorded by placing an electronically amplified microphone on the chest. The recording of such sounds is called a phonocardiogram. There are four heart sounds associated with … Read more