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Hypotension, also known as low blood pressure, is a cardiovascular condition characterized by abnormally reduced blood pressure. [1] Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood [2] and is indicated by two numbers, the systolic blood pressure (the top number) and the diastolic blood pressure (the bottom number), which are the ...
This is a list of mnemonics used in medicine and medical science, categorized and alphabetized. A mnemonic is any technique that assists the human memory with information retention or retrieval by making abstract or impersonal information more accessible and meaningful, and therefore easier to remember; many of them are acronyms or initialisms which reduce a lengthy set of terms to a single ...
Other drugs of the same family, doxazosin (Cardura) and terazosin (Hytrin), can also cause this phenomenon, though less frequently. The cause is not clear. It occurs more commonly in patients who are salt and fluid volume depleted (as happens due to the use of diuretics ), or were using beta blockers . [ 4 ]
Sortable table Abbreviation Meaning h: hr / hours H: histamine or its receptors (if with subscripts) hemagglutinin: H x: history: HA ; H/A hypertonia arterialis headache calcium hydroxyapatite
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When mechanisms for the degradation of bradykinin are impaired, the peptide builds up and causes hypotension. Angiotensin converting enzyme (ACE) is primarily responsible for its degradation (75%) but can be inhibited by administration of blood pressure medications called ACE inhibitors .
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
Angiotensin II treated patients are at an increased risk of thromboembolic events.There was a higher incidence of arterial and venous thrombotic and thromboembolic events in patients who received angiotensin II compared to placebo treated patients in the ATHOS-3 study [13% (21/163 patients) vs. 5% (8/158 patients)]. [9]