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step1 takers pls. - harrison_im - Printable Version +- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com) +-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1) +--- Forum: Step 1 (https://www.usmleforum.com/forumdisplay.php?fid=2) +--- Thread: step1 takers pls. - harrison_im (/showthread.php?tid=261379) |
step1 takers pls. - harrison_im - ArchivalUser - 01-16-2008 could anybody explain the mechanisem of tachycardia in anemia. 0 - ArchivalUser - 01-16-2008 hyperdynamic blood flow........ 0 - ArchivalUser - 01-16-2008 in anemia, there is shift of blood from skin, GIT and kidney to vital areas, kidney senses hypoxia, water and Na retention- increase in plasma volume, hyperdynamic blood flow... tissue hypoxia also causes, arteriolar vasodilation, causing reflex increase in CO which it does so by increase in HR and SV....heart must work harder to provide the same amount of oxygen to tissues |