Top
10
Doctor insights on: Peak And Trough Blood Levels

Share
1

1
How does an extended release medicine work? Does it maintain a level of it in your blood consistently? With no peaks? How does not all dissolve?

How does an extended release medicine work?  Does it maintain a level of it in your blood consistently?  With no peaks?  How does not all dissolve?

Supposedly: Most time-release drugs are formulated so that the active ingredient is embedded in a matrix of insoluble substances such that the dissolving drug must find its way out through the holes in the matrix.Some drugs are enclosed in polymer-based tablet with a laser-drilled hole on one side and a porous membrane on the other side. Stomach acids through membrane pushing medication out hole. ...Read more

2

2
Why is glucose screening test done exactly at 1hr? Does blood sugar level only peak then? After that does it drop or can it increase further?

Why is glucose screening test done exactly at 1hr?  Does blood sugar level only peak then? After that does it drop or can it increase further?

Just a standard way.: Blood glucose testing can be done prior to eating (when you are fasting) and the "1 hour after" is only because it has been done this way for many years and will give a typical indication of your response to eating. It can go much higher in some diabetics and even higher in normal people at an hour after eating. The usual and in my view better indication of your blood sugar status is the HgbA1c ...Read more

5

5
19 year-old college student with a 2-month history of involuntary episodes of falling asleep.....?

19 year-old college student with a 2-month history of involuntary episodes of falling asleep.....?

Narcolepsy requires: a comprehensive medical history, + physical & neurological exams to diagnose. A polysomnogram (overnight sleep study) & a daytime multiple sleep latency test are needed to diagnose sleep apnea. Other causes & tests for them are on www.ninds.nih.gov/disorders/narcolepsy/detail_narcolepsy.htm. See your primary MD for evaluation & referrals for needed studies & specialists. ...Read more

See 2 more doctor answers
6

6
Is there a certain amount of blood needed to transfer HIV to another person trough a scratch?

Is there a certain amount of blood needed to transfer HIV to another person trough a scratch?

Amount of blood: That's a really tough question to answer. It really depends on viral load. Viral load refers to how many virus particles are present in the infected individual. This can vary dramatically depending on the time of the infection. At the time of initial infection the viral load can be very high so a small amount of blood may contain a very high concentration of viral particles. Get checked. ...Read more

See 1 more doctor answer
7

7
Can HIV be transmit trough a blood in drinking water bottle ?

Can HIV be transmit trough a blood in drinking water bottle ?

No: Please forgive me if your question leaves me puzzled and skeptical. Thankfully, oral ingestion turns out to be an extremely ineffective way of transmitting the virus. If you have obsessive thoughts that people are sneaking infectious blood into your food and drink, you need to talk about this with your personal physician. Our minds can play cruel tricks on us, and this can be treated. ...Read more

8

8
Can blood bourne disease like hepatitis and HIV transmit trough mucous membrane and blood clot?

Can blood bourne disease like hepatitis and HIV transmit trough mucous membrane and blood clot?

Yes: Transmission of blood borne diseases can occur through any mucosa if there are breaks present, even those that you may not be able to see with your eyes. Therefore it would be wise to avoid any contact with potentially infected material if you are uncertain about the integrity of your mucosal lining. ...Read more

9

9
Venous tos with chronic dvt, no blood flow trough subclavian vein, just collaterals. Is there any point in doing first rib resection anymore?

Venous tos with chronic dvt, no blood flow trough subclavian vein, just collaterals. Is there any point in doing first rib resection anymore?

Depends: It is all about risk benefit. If there is no symptoms and collateral a are adequate, i would not see any additional benefit from rib resection. ...Read more

See 1 more doctor answer