Answered: A) affect on TPR (total peripheral…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Question

The following medications are used to treat an exacerbation of congestive heart failure. Each one of them is actually used to counteract mechanisms the body has naturally set in place in response to a drop in blood pressure and presumed drop in tissue perfusion. For each medication, explain its affect(s) on A, B, and C. If you feel it has no effect on a particular parameter, then say "no effect".

Specifically for each:

A) affect on TPR (total peripheral resistance) and how/why it changes it
B) affect on cardiac output (contractility, heart rate, stroke volume) and how/why it changes it
C) blood volume/pressure and how/why it changes it
ACEIs (ACE inhibitors)
Beta blockers
Digoxin
Nitrates (nitroglycerin, isosorbide)
Diuretics like Lasix

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