What is an apical impulse?
It is a brief early systolic outward thrust , followed by late systolic retraction felt by the palpating finger when the LV contracts and rotates , the LV apex and the adjacent interventricular septum hits against the chest wall. It is usually felt at the 5th left intercostal space just inside the mid clavicular line , lasting less than 30% of systole and occupying less than 3 square cms area. Source : Horwitz ,signs and symptoms in clinical cardiology .1985. Lippincot
To FEEL for the apical pulse, the "equipment" required is either the fingers and or palm of the hand and a stopwatch or watch with a second hand to count the apical rate. The cardiac apical impulse or point of maximum impulse (PMI) is located along the mid-claviclar line approx. 7-9 cm (about 3") left of the sternum within the 5th intercostal rib cage space just under the left breast. As for LISTENING to the…
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Apical buds are those located at the end of stems; lateral buds are located in the leaf axils along the length of the stems. Apical dominance occurs when a branch tends to get longer and longer without sending off branching shoots. This occurs because of a substance called auxin which is produced in the apical buds and which inhibits growth of stems from the lateral buds.