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A pulse pressure is considered abnormally low if it is less than 25% of the systolic value. [2] If the pulse pressure is extremely low, i.e. 25 mmHg or less, it may indicate low stroke volume, as in congestive heart failure. [3] The most common cause of a low (narrow) pulse pressure is a drop in left ventricular stroke volume.
[citation needed] The heart rate formula most often used for the Bruce is the Karvonen formula (below). A more accurate formula, offered in a study published in the journal, Medicine & Science in Sports & Exercise, is 206.9 - (0.67 x age) which can also be used to more accurately determine VO2 Max, but may produce significantly different results.
A Wiggers diagram modified from [1]. A Wiggers diagram, named after its developer, Carl Wiggers, is a unique diagram that has been used in teaching cardiac physiology for more than a century.
Blood pressure measurement using the auscultatory method based on the (first) Korotkoff-sound. Korotkoff sounds are the sounds that medical personnel listen for when they are taking blood pressure using a non-invasive procedure.
In medicine, the pulse is the rhythmic throbbing of each artery in response to the cardiac cycle (heartbeat). [1] The pulse may be palpated in any place that allows an artery to be compressed near the surface of the body, such as at the neck (carotid artery), wrist (radial artery or ulnar artery), at the groin (femoral artery), behind the knee (popliteal artery), near the ankle joint ...
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In Ayurveda, advocates claim that by taking a pulse examination, imbalances in the three Doshas (Vata, Pitta, and Kapha) can be diagnosed. [3] The ayurvedic pulse also claims to determine the balance of prana, tejas, and ojas. [4] [5] Ayurvedic pulse measurement is done by placing index, middle and ring finger on the wrist.
Pulse Decomposition Analysis (PDA), which is a pulse contour analysis approach, [18] is based on the concept that five individual component pulses constitute the peripheral arterial pressure pulse of the upper body. These component pulses are due to the left ventricular ejection and the reflections and re-reflections of the first component ...