5Feb/104
blood pressure?
A doctor gives you an diuretic that will make you lose K+ in order to lower your blood pressure. HOw does it work? All I know is that this creates hypoalkemia and that the resting membrane potential of neurones are hyperpolarized
Best Answer:
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February 5th, 2010 - 02:34
YOU URINATE IT OUT THATS ALL, BUT AND THUS IT LOWERS YOUR BLOOD PRESSURE ..DRINK PLENTY OF ORANGE JUICE OR TAKE POTASSIUM SUPPLEMENT.. YOU LOSE POTASSIUM
February 5th, 2010 - 03:21
Diuretics are used for patients who have edema from CHF or diabetes. It makes you lose fluid by the renin angiotension aldosterone system, therefore you retain K+ and excrete NaCl. H20 follows NaCl (think of how eating salty foods makes you bloated by retaining water). Therefore, you lose fluid and as a result lower your blood pressure. Think of a fire hose being turned on low (less fluid less pressure in the tube) and it on high (more fluid more pressure in the tube). You also can become hyperkalemic. Hope this helps! This is how they explained it to me in med school.
February 5th, 2010 - 03:36
To answer it at the easiest level: Potassium (K+) is an ion that attracts water, drawing the water OUT of the cells making them hypotonic. That actually RAISES the liquid in the blood vessels (hypertonic) but it is quickly filtered off through the kidneys, causing a decrease in blood pressure. Once again it goes into the ion charge and diffusion across the membrane walls in the kidneys. Diuretics help you urinate and tend to draw off excess liquids to do this, lowering the liquids in the blood stream and the related pressure.
Is this understandable? I can go into a more complex explanation but I don’t know your level of medical understanding.
February 5th, 2010 - 03:53
diuretics reduce the circulating fluid volume and along with that reduces minerals like Potasium and Sodium. To avoid Potasium loss yo ucan take a potasium sparing diuretic or replace potasium