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This post has been edited by MBBS siang: Sep 12 2009, 01:21 PM

brother, i think u need to read the whole physiology of how beta cell detect glucose for that.

My confusion is not how the mechanism work. That thing I know.ok la....like this!

This is about the blood glucose regulation mechanism.Below is my problems.

The correction to hyperglycemia is due to the intensity of stimulus.
When there is something wrong to the mechanism the stimulus will persist and of course the symptom like polydipsia will persist and these are due to the frequency of stimulus.

This is what I think,I am not sure whether the statement above is correct or not.So,please give me some idea about this.

Another thing that I confuse here is the symptom that persist is due to intensity or frequency?Example,the diabetes patient will keep on feeling thirsty is because the frequency of stimulus or intensity?

This post has been edited by MBBS siang: Sep 12 2009, 03:57 PM

I actually had to reread that a couple of times and I still do not understand what you are going on about. May I suggest that you take up a remedial English class?

SORRY! This is about the blood glucose regulation mechanism.I change the sentence already.Do you feel better now?I'm so sorry for create this problem here.
I will try to write the sentence properly next time. I know my stupid english is terrible,if any mistake I did please correct me.

I hope I can learn how to use proper english from daily life and here.

This post has been edited by MBBS siang: Sep 12 2009, 03:53 PM

mbbs, where are you studying again?.......

if this is what they are teaching, i worry.....both at the things they are teaching, and you obsession with obscure facts of no clinical relevance........

Answer for Q1~

A1:



Reference: ECTOPIC HEART BEAT

-Patient was a 47y.o woman and was actually prep for a nasal septoplasty, the above ECG was an incidental finding, the surgery had to be postponed in order to facilitate further investigations on her CVS.

-Good job guys~ do compare with between the two pictures above and learn a thing or two from them.



~I'll put the answers for the rest of the questions in this same post later, i'm in the middle of exam week now~

Cheerio~

Im studying in cucms. I just want to know the relationship between these 2 factors.Are you mean that I no need to know these?

They taught me about the mechanism but do not relate anything to intensity and frequency.Maybe,I think too much.

Here,the first semester we learn the basic medical sciences in separated subjects as introduction to make sure we have the strong basic of medical sciences.

Then second semester onward we will start to learn all these basic medical sciences by organ system and of course some clinical relevance stuff will be injected as well.

So,now we just at the quite basic state but lecturer trying to relating some fact that we learn with some clinical cases to make it more interesting and understandable.Now,I have finish my first course that is general anatomy and enter second course ,physiology.

I can understand what is actually happening in mechanism of blood glucose regulation and the problems occur when there is something wrong to the mechanism.Other than that,I also can relating some classical symptoms(polyuria,polydipsia,glucosuria) of diabetes mellitus to the things that I learn.

Maybe I think those what i learn can related to intensity and frequency of stimulus but cant actually.

This post has been edited by MBBS siang: Sep 12 2009, 06:01 PM

you are missing the woods for the trees.........

what on earth are they teaching there?!......

Now they are teaching the basic science like anat,physio,patho,pharmaco as introduction for one semester before we enter system......! What are you expected?

Actually,I will relating the blood glucose regulation mechanism to the "intensity" and "frequency" .

Its because I think that the beta cell detect the amount (intensity)of glucose in the blood is increase to the level that higher than the set-point then the correction will be carried out.

If there is something wrong to the mechanism ,so ,the correction could out occur properly and the stimulus(abnormal high level of glucose) will persist that keep on stimulate the beta cells to correct the conditions(frequency).

Im trying to use this 2 words to explain. I dont know correct or not,so I ask lo!

This post has been edited by MBBS siang: Sep 12 2009, 08:13 PM

it should be either 'what are you expecting' or 'what do you expect'........

so why are you so worked up about this 'intensity' and 'frequency' thing?.......

as far as my medical knowledge is concerned, the diabetic ppl are thirsty because they keep peeing water out, due to osmotic diuresis, i dont know what's with the intensity, and frequency....

This post has been edited by cygoh9: Sep 12 2009, 08:10 PM

Why I am trying to relate the blood glucose regulation mechanism to the "intensity" and "frequency" ?

It is because I think that the amount (intensity)of glucose in the blood is increased to the level that higher than the set-point is detected by beta cell, then the correction will be carried out.

If there is something wrong to the mechanism the correction could out occur properly and the stimulus(abnormal high level of glucose) will persist and keep on stimulating the beta cells to correct the conditions(frequency).

So, I try to use these 2 words to explain. I dont know if it is correct.That's why I ask.

---

Added on September 12, 2009, 8:25 pmI know what you are trying to say.It is due to the glucose which contained in the filtrate of renal tubule that attracting the water from ECF of the surrounding of the renal tubule then cause polyuria.The body continue to lost the water this stimulate the thirst center to tell us to drink water(thirsty)polydipsia.

This post has been edited by MBBS siang: Sep 12 2009, 09:00 PM

I think you are mixing things up.

Did they teach you about Action Potentials and nerves? Something along the lines of the intensity of the stimulus determines the frequency of action potential firing?

What you are doing at the moment is mixing the nervous system with the endocrine system. Words must be used accurately in the right context.

P/S: You need to work on the bolded parts

We have not learn the action potential yet but I learn it in stpm before. The exam for last friday which about the homeotasis do come out with the word intensity but I forgot the sentence already.Therefore,I try to explain it with these 2 words.

This post has been edited by MBBS siang: Sep 12 2009, 08:50 PM

I appreciate your enthusiasm. But you will cover endocrine soon, not now. And I'm still unclear on what you said.

I dont think there is much of nervous system involved in beta cell stimulation.

PS have you covered the physiology of how glucose enter beta cell yet? and how insulin is secreted etc.

Hmm....I know already.

I don't relate the endocrine system with nervous system actually.No,we just roughly know the process because have not enter the system yet.

I'm sorry MBBS >< I still don't get your question. =/ All that came to my mind are gluconeogenesis and glycogenolysis processes in the case of diabetes. Not sure whether it's related to your question or not. >< sorry

medicine is a very precise field, and the terms used means very specific meanings, sometimes different from what lay people understands......

hence a good command of the language used for medical practice is vital.....and in msia, and much of the world as well, the language used is english......

therefore fluent and faultless use of english is vital for effective communication between healthcare personnels........

and therefore, those medical students whose english ability is wanting, should take effort to have it remedied asap..........

True. I have to learn.