Stimulants

Reviewed By David C. Dugdale III, MD, Professor of Medicine, Division of General Medicine, Department…more »

Definition

Stimulants are medications that increase heart rate, breathing rate, and brain function. Some stimulants affect only a specific organ, such as the heart, lungs, brain, or nervous system.

Some medications are given for their stimulant effect. For example, epinephrine during cardiac arrest. Other times, stimulants can cause unwanted side effects. For example, pseudoephedrine found in some cold medicines can increase the heart rate.

Date Last Reviewed: 02/23/2009

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Electrocardiogram (ECG)

Definition

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Stimulants

Definition

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