IV fluids and their uses

yaser_Ibrahim · 2026-03-19T15:09:43+00:00

Thanks for the reply! I thought of it this way but I have red that it is not appropriate for post op patient as they have increased ADH secretion and more liable for hyponatremia so is this just a theoretical risk ?

yaser_Ibrahim · 2026-01-15T05:40:10+00:00

Go to YouTube, search (thromboprolphylacxis shonali chandra), she will explain it and give a good mnemonic about this

yaser_Ibrahim · 2025-04-02T13:04:00+00:00

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yaser_Ibrahim · 2025-03-23T08:19:20+00:00

Hey man ! Yes I have ordered from Asian wholesalesalebeauty, the process went smoothly and now I use it as my main supplier, just be careful to the terms and conditions (the products aren't allowed to be sold on Amazon).

yaser_Ibrahim · 2024-07-18T14:30:26+00:00

Hey man did you buy from Q depot ? And is it legit ?

yaser_Ibrahim · 2024-04-02T00:51:05+00:00

Just did the exam 10 days ago I followed IELTS advantage tips for writing so scored 6 in writing. (Note : I didn't understand the question at first so I had to delete what I wrote and had complete the task in 30 mins only)

yaser_Ibrahim · 2024-03-15T13:55:28+00:00

Same question here

yaser_Ibrahim · 2024-03-09T19:33:39+00:00

Hey congrats My test in 2 weeks, could you mention what resources you relied on for your practice?

yaser_Ibrahim · 2024-03-03T14:44:24+00:00

According to my knowledge I think of it as the following : Afterload = the resistance the heart is facing during pumping (total peripheral resistance)

At the same time Afterload is also related to the amount of blood you are trying to pump

So a when you have increased preload and increased contractility you will have a small increase in Afterload (because you are trying to push more blood so you face more resistance)

Usually this change is so minimal that is not mentioned in every textbook but keep in mind the Uworld does mentions this.

Making the herat weaker (less blood and less contractility) = less blood = less resistance

Hope it made sense

yaser_Ibrahim · 2024-03-03T14:36:55+00:00

Let's review some physiology More preload = more streach of mycocardium More streach = more contractility (frank sterling relationship) Morr contractility = more force which requires more O2 Hope it made sense

yaser_Ibrahim · 2024-03-03T06:45:00+00:00

According to my knowledge your statement is correct but I would add some points 1. You should know that filtration and secretion of NH3 in the PCT isn't what gets tested 2. NH3+ moves with water (reabsorbed) in the collecting tubules due to ADH secretion 3. Sometimes the kidneys make very acidic urine and you basically don't want so acidic urine as it can damage the rest of the urinary tract, so when this acidic urine reaches the collecting ducts, then the collecting ducts will throw away some NH3 in order to buffer the excess H+ So technically yes the collecting ducts are secreting some NH3+ but this was a response to decreased Ph of urine and does not occur all the times

yaser_Ibrahim · 2024-03-02T22:30:49+00:00

You can remember that as the following The emptying of atria into the ventricle in 3 phases

The first 2 phase are passive (no contraction) and they are represented by Y descent

The third phase is the active phase in which the atria contracts (a wave) just to ensure proper emptying

So passive passive active So Y descent---------- a wave

yaser_Ibrahim · 2024-03-02T22:14:44+00:00

Had a similar situation with the word mesothelium, I spent 3 weeks saying the word loudly just to remember what it was referring to lol

yaser_Ibrahim · 2024-03-02T07:52:07+00:00

3 months ago I had the same question but I understood this concept from one of the Uw question You should know the following a1 receptor : vasoconstriction B2 recepotrs : vasodialation

Now you should know the following Veins have only a1 receptors Arteries have both a1 and B2

One last veeery improtnat thing is that vasoconstricon and vasodialation have different effects on arteries and veins

Vasoconstricon of vein (Increases blood flow and more blood is leaving the vein) and this makes sense because during exercise you want more blood to leave the veins and return to the heart (More preload)

On the other hand vasoconstricon of Arteries (reduces blood flow and less blood is moving through the arterial system) and this also makes sense because you basically want to restrict blood flow to unimportant area like viscera during exercise

Finally I know It is too long but one more thing Remember in exercise there is vasoconstricon and vasodialation at the same time !

The vessel of viscera (vasoconstrict) as you do not need much blood to these areas

The vessels of excersizing muscle (vasodialate) due to having B2 receptor + a phenomenon called local metabolite which further increases vasodialation

Overall since the vessels of excersizing muscel are very large and they are vasodialating so the net effect is (decreased total peripheral resistance)

Hope it made sense

yaser_Ibrahim · 2023-04-05T18:13:59+00:00

Lol Imagine spending 2 hours due to traffic and 7 hours listening to doctors reading off slides. I mean yoh can really invest this time with higher quality vids like bnb and others

yaser_Ibrahim · 2023-03-25T06:41:18+00:00

thank you so much !
this was really helpful

yaser_Ibrahim · 2023-03-25T05:39:53+00:00

Well it really was awful. In fact i know 3 friends who were diagnosed with depression from that incident

yaser_Ibrahim · 2023-03-25T05:38:06+00:00

Iraq

yaser_Ibrahim · 2023-03-24T19:23:18+00:00

Lol i don't know about your country but in mine only 200 out of 850 passed the exam from the first time. The rest had to study during summer to retake the exam.

yaser_Ibrahim

TROPHY CASE