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Cardiac stimulant
Class of chemical compound
Class of chemical compound
A cardiac stimulant is a drug which acts as a stimulant of the heart – e.g., via positive chronotropic action (increased heart rate) and/or inotropic action (increased myocardial contractility). They increase cardiac output (the amount of blood pumped by the heart over time).
Examples
- β1-Adrenergic receptor agonists like epinephrine, norepinephrine, dopamine, dobutamine, denopamine, isoproterenol, and xamoterol
- Adrenergic agents indirectly activating β1-adrenergic receptors
- Norepinephrine prodrugs like droxidopa
- Norepinephrine reuptake inhibitors like atomoxetine, reboxetine, desipramine, nortriptyline, bupropion, milnacipran, methylphenidate, and cocaine
- Norepinephrine releasing agents like amphetamine, methamphetamine, ephedrine, pseudoephedrine, phenylpropanolamine, and mephentermine
- α1-Adrenergic receptor antagonists like phentolamine, prazosin, terazosin, and doxazosin
- α2-Adrenergic receptor antagonists like phentolamine, yohimbine, and atipamezole
- Antimuscarinic anticholinergics like atropine
- Adenosine receptor antagonists like caffeine, theophylline, and aminophylline
- PDE3 inhibitors like amrinone, milrinone, and pimobendan
- Cardiac glycosides like digoxin
- Other agents like hydralazine, levosimendan, and cannabinoids
Exercise is also a cardiac stimulant by increasing levels of the sympathomimetic catecholamines epinephrine and norepinephrine.
References
References
- (September 2008). "Inotropes and vasopressors: review of physiology and clinical use in cardiovascular disease". Circulation.
- (January 2000). "Pharmacotherapeutics of positive inotropes". AORN J.
- (July 2018). "Comprehensive review of cardiovascular toxicity of drugs and related agents". Med Res Rev.
- (November 2006). "Stress and the neuroendocrine system: the role of exercise as a stressor and modifier of stress". Expert Rev Endocrinol Metab.
- (January 2023). "Relationships among norepinephrine levels, exercise capacity, and chronotropic responses in heart failure patients". Heart Fail Rev.
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