1. CARDIOVASCULAR SYSTEM CARDIAC CYCLE HEART SOUNDS LECTURE – 4 DR. ZAHOOR ALI SHAIKH 2.
DR. ZAHOOR ALI SHAIKH CARDIOVASCULAR SYSTEM LECTURE - VII.
Heart sound. What we hear ? We have all heard the heart make the usual sounds. LUB----------DUB Lub is the first sound or S1 Dub is the second heart sound.
