PR interval Good Samaritan CSG. Main Points PR interval –Derivation –Preexcitation –AV blocks.
Circexcr
striated muscle heart muscle smooth muscle excitation contraction coupling.
CARDIOVASCULAR DISEASES
Brachiocephalic trunk Left common carotid artery Left subclavian artery Aortic arch Ligamentum arteriosum Pulmonary trunk Auricle of left atrium Great.
