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In this episode, we review the use of inotropes in acute decompensated heart failure and cardiogenic shock? What are the effects of activating alpha-1 receptors, beta-1 receptors, and beta-2 receptors? What are the effects of inhibiting phosphodiesterase-5? What is the vasoconstriction-vs-inotropy-plot and where does each inotrope and vasopressor sit on the plot with respect to the intropy=0 vertical line or the vasoconstriction=0 horizontal line? In a patient with pulmonary hypertension with >3 Woods units of pulmonary vascular resistance, is dobutamine or milrinone a more appropriate choice? In a patient with acute kidney injury, is dobutamine or milrinone a more appropriate choice? What are the main contraindications for each inotrope? Tune in for answers to these questions.
Difficulty Level: Intermediate
You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)
Please subscribe, rate, and support the channel! Ads help keep materials free for everyone.
More MedEd resources available at www.rueyhu.com
Updates at Twitter/X: @Ruey_Hu
By Ruey Hu, MD, MPH4.5
1515 ratings
In this episode, we review the use of inotropes in acute decompensated heart failure and cardiogenic shock? What are the effects of activating alpha-1 receptors, beta-1 receptors, and beta-2 receptors? What are the effects of inhibiting phosphodiesterase-5? What is the vasoconstriction-vs-inotropy-plot and where does each inotrope and vasopressor sit on the plot with respect to the intropy=0 vertical line or the vasoconstriction=0 horizontal line? In a patient with pulmonary hypertension with >3 Woods units of pulmonary vascular resistance, is dobutamine or milrinone a more appropriate choice? In a patient with acute kidney injury, is dobutamine or milrinone a more appropriate choice? What are the main contraindications for each inotrope? Tune in for answers to these questions.
Difficulty Level: Intermediate
You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)
Please subscribe, rate, and support the channel! Ads help keep materials free for everyone.
More MedEd resources available at www.rueyhu.com
Updates at Twitter/X: @Ruey_Hu

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