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CVICU With 100% COMPREHESIVE QUESTIONS AND ANSWERS GRADED A+
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CVICU With 100% COMPREHESIVE QUESTIONS AND ANSWERS GRADED A+
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JACKLINECVICU With 100% COMPREHESIVE QUESTIONS AND ANSWERS
GRADED A+
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,8/21/24, 11:32 AM
Terms in this set (72)
phosphodiesterase (PDE3) inhibitor
positive inotrope - enhances CO by directly inhibiting phosphodiesterase from metabolizing cAMP
which increases Ca into cells -> forceful contraction.
Milrinone vasodilator properties (lowers afterload & preload- decrease SVR & PVR, PAOP lv preload) by
decreasing intracellular Ca in vascular smooth muscle
ideal for pts with RV failure. decreases coronary vascular resistance (good for myocardial o2
consumption.
1. CPR
2. shock VF/pVT (Epi only and no shock for 3. Asystole & PEA)
4. CPR 2 min, IV/IO access
5. shock
ACLS
6. epi 1mg q 3-5 min
7. CPR 2 min
8. Amio 300mg then 150mg, or Lido 1mg/kg then 0.5mg/kg
9. Treat reversible causes (H/T)
, 8/21/24, 11:32 AM
Hypovolemia
Hypoxia
Hydrogen Ion (acidosis)
Hypo/Hyper-Kalemia
Hypothermia
H&Ts Hypoglycemia
Tension Pneumothorax
Tamponade, Cardiac
Toxins
Thrombosis, pulmonary
Thrombosis, coronary
ADH
V1 receptors on vascular smooth muscle
V2 receptors on renal collecting ducts(Distal convoluted tubule of the loop of henle)
Increases water permeability (cAMP-dependent mechanism), which leads to decreased urine
formation. This increases blood volume, cardiac output and arterial pressure.
Vasopressin
Contracts vascular smooth muscle -> causes vasoconstriction of capillaries & small arterioles ->
increase MAP
May improve LV function, which increases CO and coronary blood flow
Increases secretion of corticotropin in the anterior pituitary gland that stimulates the adrenal cortex.
The adrenal cortex produces cortisol which regulates BP.
Vasopressor (and inotrope) / Adrenergic Agonist
a1 b1 (small b2) - causing vasoconstriction, increased inotropic effects, and cardiac stimulation.
Norepinephrine
For profound hypotension when volume repletion is inadequate. Can be administered with fluid
resus if the pt's BP and CO are significantly impaired.
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