cardiovascular system (schmidt) Flashcards
Alpha 2 adrenergic receptor
same as M2 except suppression of noradrenaline release
positive chronotrope Na
increased heart rate
positive inotrope Ca
increased contractile force
beta receptor blockers
sympatholytic drugs, ending with -ol like propranolol
which receptors do functional antagonism in smooth muscle cells
M3 and beta2 receptor
which receptors do functional antagonism in cardiac muscle
M2 and beta1 receptor
which receptor acts in skeletal muscle
nicotinic receptor, acts very fast and binds ACh and is a sodium channel
which receptors are important in ACh release
M2 and alpha 2
which receptors are in the heart
beta1 adrenoreceptors
which receptors are in the blood vessels
alpha1/beta2 adrenoreceptors, alpha 1 sympatholytic, beta1,2 sympatholytic
blocking beta 2 receptor will cause
reduces blood vessel diameter
cardiac glucoside effect
causes a higher contractility so risk for cardiac arythmia
nitrates
produced under demand of M3 receptor, vasodilator
artherosclerosis
reduced production of NO, reduced activation of guanylyl cyclase, reduced relaxation of vascular smooth muscle cells