
Pre- Test Management of Shock
Quiz by Cassiopia Lippold
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49 questions
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- Q1Why is the initial blood pressure goal >65 mm Hg?Because it is a nice round numberA large study showed that it is more harmful to the kidney and cardiac muscle when higher than 70 mm HgA large study showed that patients had significant renal and myocardial injury when higher than 65 mm HgDogs overall did better in a study30s
- Q2What is the main goal in treating septic shock?To have a balance between perfusing organs and cellular deathTo allow / facilitate with antibiotic circulationTo get the MAP greater than 65 mm HgTo perfuse the brain, and cardiac muscle30s
- Q3Why is lactate produced during shock?Purely due to anaerobic metabolism of pyruvate to lactate from cell hypoxiaKrebs cycle malfunction due to ischemiaMitochondrial increased demand from glycogen to glucose and glycolysis from beta 2 stimulationCombination of anaerobic metabolism and epinephrine cause glycolysis30s
- Q4What is the equation for cardiac output?Stroke volume – peripheral vascular resistance(Preload – after load) X contractilityLOVT area X LVOT velocityHeart rate x Stroke Volume30s
- Q5What is the calculation of oxygen delivery?[(1.32 x hemoglobin x SaO2) x cardiac output] + (0.003 X PaO2)Heart rate x stroke volume x (1/ hematocrit)[cardiac output x (1/ hematocrit) X (SVR)] - (0.003 X PaO2)[(1.5 x hemoglobin x SaO2) x heart rate x (PVR-SVR)] + (0.03 X PaO2)30s
- Q6What are signs of poor perfusion?Decrease in urine output, decreased capillary refill time, mottled extremitiesMental status change, increase in heart rate, increase in lactic acid, decrease in urine output, increased capillary refill timeMottled extremities increase in heart rate, increase in lactic acid, decrease in urine output, increased capillary refill timeMental status change, increase in lactic acid, increase in urine output, decreased capillary refill time, hemoconcentration30s
- Q7Which medications are pure vasopressors?Norepinephrine, vasopressin, epinephrinePhenylephrine, vasopressinEpinephrine, phenylephrineNorepinephrine, and epinephrine30s
- Q8What does inotropic mean?Increase contractilityIncrease conduction velocityIncrease heart rateIncrease diastolic filling time30s
- Q9What does chronotropic mean?Increase heart rateIncrease contractilityIncrease conduction velocityIncrease diastolic filling time30s
- Q10What does inopressor mean?induces venous vasoconstriction and arterial vasodilationincreases cardiac contractility and induces vasodilationincreases heart rate and causes arterial vasoconstrictionincreases cardiac contractility and induces vasoconstriction30s
- Q11Which medications are inopressors?Norepinephrine, dobutamine, epinephrineNorepinephrine, epinephrine, dopaminePhenylephrine, vasopressinEpinephrine, dopamine30s
- Q12What does inodilator mean?induces venous vasoconstriction and arterial vasodilationincreases cardiac contractility and induces vasoconstrictionincreases heart rate and causes arterial vasoconstrictionincreases cardiac contractility and induces vasodilation30s
- Q13Which medications are inodilators?Epinephrine, dopamine, milrinoneDobutamine, milrinone, dopamineisoproterenol, dobutamine, milrinoneMilrinone, dobutamine, epinephrine30s
- Q14Vasopressin works on which receptors?V2 onlyV1 at low doses and then V2>V1 at high dosesV2 at low doses and then V1>V2 at high dosesV1 and V230s
- Q15What receptor causes free water reabsorption in the kidney?V1V2V1 and V230s