Cardiac apex Formed by left ventricle Directed downwards. forward and to the left Lies at the level of the fifth left intercostal space, 1-2 cm medial to the left midclavicular line(9cm from the midline◼ Formed by left ventricle ◼ Directed downwards, forward, and to the left ◼ Lies at the level of the fifth left intercostal space, 1~2 cm medial to the left midclavicular line (9cm from the midline) Cardiac apex