apex impulse
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Apex beat — The apex beat, also called the point of maximum impulse (PMI), is the furthermost point outwards (laterally) and downwards (inferiorly) from the sternum at which the cardiac impulse can be felt. The cardiac impulse is the result of the heart… … Wikipedia
impulse — 1. A sudden pushing or driving force. 2. A sudden, often unreasoning, determination to perform some act. 3. The action potential of a nerve fiber. [L. im pello, pp. pulsus, to push against, impel (inp )] apex i. conventionally the lowermost,… … Medical dictionary
apex beat — the impact of the heart against the chest wall during systole. It can be felt or heard to the left of the breastbone, in the space between the fifth and sixth ribs. * * * the most inferolateral point of visible or palpable pulsation of the chest… … Medical dictionary
human cardiovascular system — ▪ anatomy Introduction organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the… … Universalium
ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like … Universalium
beat — 1. To strike; to throb or pulsate. 2. A stroke, impulse, or pulsation, as of the heart or pulse. 3. Activity of a cardiac chamber produced by catching a stimulus generated elsewhere in the … Medical dictionary
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
Precordial examination — In medicine, the precordial exam, also cardiac exam, is performed as part of a physical examination, or when a patient presents with chest pain suggestive of a cardiovascular pathology. The exam includes several parts: *position/lighting/draping… … Wikipedia
education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… … Universalium
Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate … Wikipedia
