Antihypotensive
Substance that raises blood pressure From Wikipedia, the free encyclopedia
A vasopressor is a drug or other agent which causes the constriction of blood vessels to increase systemic vascular resistance. This is different from inotopes which increase the force of contraction of heart muscle. Some substances do both (e.g. dopamine, dobutamine) .
If low blood pressure is due to blood loss, then preparations increasing volume of blood circulation—plasma-substituting solutions such as colloid and crystalloid solutions (salt solutions)[1]—will raise the blood pressure without any direct vasopressor activity. Packed red blood cells, plasma or whole blood should not be used solely for volume expansion or to increase oncotic pressure of circulating blood.[medical citation needed] Blood products should only be used if reduced oxygen carrying capacity or coagulopathy is present.[medical citation needed] Other causes of either absolute (dehydration, loss of plasma via wound/burns) or relative (third space losses) vascular volume depletion also respond, although blood products are only indicated if significantly anemic.
Antihypotensive agents can be classified as follows:[citation needed]
- Sympathomimetics
- Vasopressin
- Angiotensinamide
- S-alkylisothiouronium derivatives
- Difetur
- Izoturon
- Glucocorticoids and mineralocorticoids
- Positive inotropic agents
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
