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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).
Cardiotoxicity is the occurrence of heart dysfunction as electric or muscle damage, resulting in heart toxicity. [1] This can cause heart failure, arrhythmia, myocarditis, and cardiomyopathy in patients. [2] Some effects are reversible, while in others, permanent damage requiring further treatment may arise.
The mechanisms of sympathomimetic drugs can be direct-acting (direct interaction between drug and receptor), such as α-adrenergic agonists, β-adrenergic agonists, and dopaminergic agonists; or indirect-acting (interaction not between drug and receptor), such as MAOIs, COMT inhibitors, release stimulants, and reuptake inhibitors that increase the levels of endogenous catecholamines.
They are used for the swelling and bloating of premenstrual syndrome, for treating high blood pressure, and in older people for heart failure caused by weakening of the heart's pumping mechanism. Diuretics can be used to pass a drug test because they increase the amount of urine produced by the body, thereby it dilutes any drugs in the urine ...
This is known as a “silent” heart attack and it’s more common in men than women. ... over—a classic heart attack at just 42 years old. ... keep my cholesterol under control. I took red ...
Cardiologists share the warning signs of heart attack that every woman should know, plus potential risk factors. ... Although heart attacks are often thought of to be more common in men, heart ...
Blood doping is the injection of red blood cells, related blood products that contain red blood cells, or artificial oxygen containers. This is done by extracting and storing one's own blood prior to an athletic competition, well in advance of the competition so that the body can replenish its natural levels of red blood cells, and subsequently injecting the stored blood immediately before ...
More than 30 years ago, Congress directed the National Institutes of Health to include as many women as men in clinical trials. But while some progress has been made, equity remains elusive. And ...