Diuretics

Potassium sparing diuretics are chemically different but pharmacologically similar. In this video we will see how they act, what is their chemical nature and pharmacological actions.

#PotassiumSparingDiuretics

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Join us for our discussion on loop diuretics diuretics as we continue our lecture series on cardiovascular pharmacology and how to treat Hypertension (HTN). During this lecture Ninja Nerd Science will go into detail on how loop diuretics such as furosemide or Lasix are used to lower and control high blood pressure as well as decrease excess fluid in the body in conditions such as congestive heart failure (CHF).

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This is video #2 in our free teaching series on diuretics, this time it’s all about loop diuretics. The video was taken from our upcoming course on fluids & electrolytes.

Thiazides Diuretics
Diuretics

FUROSEMIDE MECHANISM OF ACTION (NURSING PHARMACOLOGY)

Furosemide (also known as Lasix) is one of the most common medications you’ll give during nursing school. And it’s one of the most important medications to know for nursing pharmacology.

Furosemide is a diuretic (more specifically, it’s a loop diuretic), that has a very particular mechanism of action in how it acts in the body.

In this video, we’ll cover the mechanism of action of furosemide, so that it will finally *click* for you, and you won’t need to stress about it anymore in nursing school. Because, well…that’s what we’re here for, right?! 😉

So if you need to learn the mechanism of action of furosemide, or the mechanism of action of loop diuretics for your nursing pharmacoloy class, than this video is for you! 🙂

MEMBERS: If you’re a NursingSOS Member, be sure to sign into your dashboard and click on “PHARMACOLOGY,” to download your furosemide study guide. You may also find it helpful to watch the full furosemide training video inside the membership community. It goes deeper and covers things like the side effects of furosemide, the nursing assessment for what you’ll need to look for when giving it, contraindications, and other things you’ll need to know before giving furosemide.

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These videos are intended for entertainment purposes only. Although we strive for 100% accuracy in all of our videos, errors may occur. Never treat a patient or make a nursing or medical decision based on the information provided on this channel or in our videos. Never practice nursing or medicine unless you have a proper license to do so.

This is a focused review by Anthony Busti, MD, PharmD on reasons why we use furosemide IV instead of by mouth in patients with congestive heart failure. To get full length lectures like this on hundreds of topics visit High Yield Med Reviews and choose one of our review courses or topic reviews for exams such as the NAPLEX, BCPS, and BCACP.

http://www.youtube.com/watch?v=H9dUwH7Riao

This Sqadia video is the demonstration of Diuretic Agents. A “diuretic” is an agent that increases urine volume, whereas a “natriuretic” causes an increase in renal sodium excretion and an “aquaretic” increases excretion of solute-free water. Because natriuretics almost always also increase water excretion, they are usually called diuretics. Renal Tubule Transport Mechanisms is explained with the help of diagram. Sodium bicarbonate (NaHCO3), sodium chloride (NaCl), glucose, amino acids, and other organic solutes are reabsorbed via specific transport systems in the early proximal tubule (proximal convoluted tubule, PCT). Potassium ions (K+) are reabsorbed via the paracellular pathway. Water is reabsorbed passively, through both a transcellular pathway (mediated by a specific water channel, aquaporin-1 [AQP1]) and a paracellular pathway (likely mediated by claudin-2). Importantly, the water permeability of the PCT is very high, and hence, the osmolality of proximal tubular fluid is maintained at a nearly constant level, and the gradient from the tubule lumen to surrounding interstitium is very small. As tubule fluid is processed along the length of the proximal tubule, the luminal concentrations of most solutes decrease relative to the concentration of inulin, an experimental marker that is filtered but neither secreted nor absorbed by renal tubules. Approximately 66% of filtered sodium ions (Na+), 85% of the NaHCO3, 65% of the K+, 60% of the water, and virtually all of the filtered glucose and amino acids are reabsorbed by the proximal tubule in normal humans. Classification of Diuretic Agents involves Thiazide Diuretics, Loop Diuretics, Potassium sparing diuretics, Carbonic Anhydrase inhibitors and Osmotic diuretics.
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Watch complete lecture on sqadia.com:
https://www.sqadia.com/programs/diuretic-agents-i

Lecture Duration: 00:48:12
Released: June 2018

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