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RNC-NIC Cardiac Questions And Answers With Verified Solutions 100% Correct!!!
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RNC-NIC Cardiac Questions And Answers With Verified Solutions 100% Correct!!!
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RNC-NIC Cardiac Questions AndAnswers With Verified Solutions 100%
Correct!!!
Changes at delivery - ANSWER✔✔Pressure: Increased SVR, decreased PVR
Oxygenation: Pulmonary arterioles dilate, alveoli expansion
Shunts close
Cardiac output calculation - ANSWER✔✔CO=HRxSV
Mean arterial pressure calculation - ANSWER✔✔(2xDBP)+SBP/3
Stroke volume - ANSWER✔✔Contractility, preload, afterload
Preload - ANSWER✔✔Measures pressure over volume in the ventricles prior to
contraction
Afterload - ANSWER✔✔Resistance of blood flow leaving the ventricle
Causes of decreased preload - ANSWER✔✔Hypovolemia
Vasodilation
Hyperthermia
Sepsis
Causes of increased preload - ANSWER✔✔Vasoconstriction
Hypervolemia
, Congenital heart defects
Causes of decreased afterload - ANSWER✔✔Vasodilation
Sepsis
Hyperthermia
Effects of nitrates
Causes of increased afterload - ANSWER✔✔Vasoconstriction
Hypothermia
Aortic stenosis
Hypertension
Vasopressive agents
Causes of increased contractility - ANSWER✔✔Dopamine
Dobutamine
Digoxin
Causes of decreased contractility - ANSWER✔✔Acidosis
Hypoxia
Electrolyte disturbances
Hypoglycemia
Congestive heart failure - ANSWER✔✔Defective pump
Hypoperfusion
Pressure resistance
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