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Would you use a vasopressor (dopamine) in cardiogenic shock?
A) Yes
B) No

User Mohan Seth
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Final answer:

Vasopressors like dopamine are used in cardiogenic shock to increase cardiac output and vascular tone. While dopamine is a positive inotrope, other medications such as epinephrine are used for different types of shock, namely anaphylactic shock.

Step-by-step explanation:

Yes, you would use a vasopressor like dopamine in cardiogenic shock. Cardiogenic shock is a condition where the heart is unable to maintain an adequate cardiac output, which is often triggered by a myocardial infarction, arrhythmias, or other heart-related problems. Treatment usually involves addressing the underlying cause. However, to maintain hemodynamic stability, medications such as inotropic or pressor agents may be necessary. These medications work by increasing myocardial contractility and vascular tone to stabilize blood pressure and organ perfusion. Dopamine is a positive inotrope and a vasopressor that can help increase cardiac output and vascular tone. It contrasts with agents causing vasodilation, such as nitric oxide, which is a vasodilator. Vasoconstrictors, like angiotensin II, are often considered for use in such shocks, whereas vasodilators like nitric oxide would not typically be indicated due to the potential risk of further lowering blood pressure. For anaphylactic shock, a different type of shock, epinephrine is the primary drug used for treatment because it counters the severe allergic reactions and bronchoconstriction that characterizes this condition. Cocaine can cause vasoconstriction, which likely increases blood pressure due to the reduced diameter of blood vessels. Such pharmacological knowledge is essential in the context of treating different types of shock where the cardiovascular system is at peril.

User Andriy Plokhotnyuk
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