51 results
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
SVR: Decrease • Inotropy ... : No effect • Chronotropy ... SVR: Decrease • Inotropy ... : Decrease • Chronotropy
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Vasopressors and Inotropes ... Increases BP, SVR, not inotropic ... /chronotropic ... vasoconstriction, SVR Inotropes ... #Vasopressors #Inotropes
Adrenoceptor Actions
α1
 • Vascular smooth muscle - Contraction
 • Genitourinary smooth muscle - Contraction
 • Intestinal
• Heart - ↑ Inotropy ... • Heart - ↑ Chronotropy ... and inotropy
Mean Arterial Pressure (MAP)

Average arterial pressure throughout one cardiac cycle, systole, and diastole. 
Surrogate indicator of
by ventricular inotropy ... affected by the chronotropy ... afterload #Heartrate #chronotropy
Clinician's Pocket Guide to Vasopressors - Receptor Profiles and Hemodynamic Parameters
 • Systemic Vascular Resistance -
Circulatory pressure • Inotropy ... contractions • Chornotropy ... table #receptors #inotropes
Pressors and Inotropes

Norepinephrine
 • alpha1 > beta 1
 • Increase SVR > Inotropy
Vasopressin
 • V1
 •
Pressors and Inotropes ... Increase SVR > Inotropy ... 2, alpha 1 • Inotropy ... beta 1 and 2 • Inotropy ... inhibitor • Inotropy
Vasopressors - Charted by Vasoconstriction, Vasodilation, and Inotropy
 - Dobutamine
 - Milrinone 
 - Vasopressin
 -
Vasodilation, and Inotropy ... #Vasodilation #Inotropy ... Pharmacology #Visual #Inotropes
Inotropic agents in current use for the treatment of heart failure 
#heartfailure
#cardiology
#ionotropes
#epinephrine #norepinephrine #dopamine #dobutamine
Inotropic agents ... #cardiology #ionotropes
Inotropic agents in current use for the treatment of heart failure 
#heartfailure
#cardiology
#ionotropes
#epinephrine #norepinephrine #dopamine #dobutamine
Inotropic agents ... #cardiology #ionotropes
Simplified Vasopressors and Inotropes Comparison Chart
MAP = CO x SVR
Dobutamine - Norepinephrine - Epinephrine - Phenylephrine
Vasopressors and Inotropes ... #Vasopressors #Inotropes