INOTROPIC MEDS - Increase cardiac output by mimicking the action of the SNS, activating myocardial receptors to increase contractility and HR. May also increase vascular tone, and increase preload, VASODILATORS - Decrease afterload, decreasing the workload of the heart and oxygen demand, NITROGLYCERIN - Vasodilator reducing preload. In higher doses can cause arterial vasodilation, reducing afterload as well. Often given with dobutamine, and increases cardiac output while minimizing cardiac workload. Also enhances blood flow to the myocardium, improving oxygen flow., DOBUTAMINE - Inotropic effects stimulating beta-cells to increase the strength of the myocardial activity, and improves cardiac output. Also produces a decreased pulmonary and systemic vascular resistance, DOPAMINE - Sympathomimetic agent that has many affects based on the dosage. Can improve contractility, slightly increase HR, and may increase cardiac output.,

MEDS USED IN HYPOVOLEMIC & CARDIOGENIC SHOCK

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