Dopamine is recommended as a substitute for norepinephrine in certain patients with a low risk of tachyarrhythmias and/or bradycardia. Norepinephrine is the first choice vasoactive drug for patients with septic shock.
The major anomaly in obstructive shock, like in cardiogenic shock, is reduced heart function. Obstructive shock prevents the heart from contracting properly while cardiogenic shock impairs contractility.
In addition to fluid resuscitation, vasopressor therapy is a crucial component in treating septic shock-related hypotension because it tries to improve organ perfusion pressure by reversing the depressed vascular tone.
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