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the potential ability of the heart to perform a wide range of work beyond that required under basal conditions, depending on changing demands of various physiological or pathological states; usually expressed as a percentage increase above normal.Medical dictionary. 2011.
reserve — Something available but held back for later use, as strength or carbohydrates. [L. re servo, to keep back, r.] alkali r. the sum total of the basic ions (mainly bicarbonates) of the blood and other body fluids that, acting as buffers, maintain… … Medical dictionary
Case Western Reserve University School of Medicine — Established 1843 School type Private Dean Pamela B. Davis, MD, PhD Location … Wikipedia
Heart failure — Classification and external resources The major signs and symptoms of heart failure. ICD 10 I5 … Wikipedia
Anesthesia awareness — Anesthesia awareness, or unintended intra operative awareness occurs during general anesthesia, when a patient has not had enough general anesthetic or analgesic to prevent consciousness or waking up during surgery. BackgroundAwareness occurs in… … Wikipedia
Heart rate — is the number of heartbeats per unit of time, typically expressed as beats per minute (bpm). Heart rate can vary as the body s need to absorb oxygen and excrete carbon dioxide changes, such as during exercise or sleep. The measurement of heart… … Wikipedia
pregnancy — /preg neuhn see/, n., pl. pregnancies. the state, condition, or quality of being pregnant. [1520 30; PREGN(ANT) + ANCY] * * * Process of human gestation that takes place in the female s body as a fetus develops, from fertilization to birth (see… … Universalium
History of CPR — Cardiopulmonary resuscitation is an important life saving first aid skill, practised throughout the world. It is the only known effective method of keeping someone who has suffered cardiac arrest alive long enough for definitive treatment to be… … Wikipedia
Defibrillation — View of defibrillator electrode position and placement. Defibrillation is a common treatment for life threatening cardiac arrhythmias, ventricular fibrillation and pulseless ventricular tachycardia. Defibrillation consists of delivering a… … Wikipedia
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Coronary catheterization — A coronary angiogram (an X ray with radiocontrast in the coronary arteries) that shows the left coronary circulation. The distal left main coronary artery (LMCA) is in the left upper quadrant of the image. Its main branches (also visible) are the … Wikipedia
