Questions tagged [blood-tests]

Questions about tests of the blood that help to estimate the component(s) in it.

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5
votes
1answer
197 views

What do these blood tests mean in general and why do doctors ask for them before taking action?

My doctor ordered some blood tests for me. I would like to understand what each test is for, meaning what information could be gathered from the results. W.B.C. Platelets E.S.R. C.R.P. Alpha feto ...
11
votes
1answer
425 views

How does a MRSA test work?

Let's assume we have a patient with acute infection. The doctor suspects MRSA. A culture is taken, brought to the lab, and then what? I'm interested to hear what are the usual steps a laboratory ...
6
votes
1answer
106 views

Why is prothrombin time not used to monitor the effects of heparin?

Unfractionated heparin (UFH) is an anticoagulant that main works "by inactivating thrombin and activated factor X (factor Xa) through an antithrombin (AT)-dependent mechanism". Prothrombin time (PT) ...
5
votes
1answer
2k views

Why can't blood samples be taken from the legs/ankles as well arms/wrists?

This is a genuine question, which so far I've been unable to find an answer to. Some time ago when my wife was pregnant, she seemed to be constantly needing to have samples taken for various tests ...
4
votes
2answers
328 views

What CGM systems don't require fingerstick calibration?

Most continuous glucose monitoring (CGM) systems require you to still do fingerstick blood testing on a daily basis in order to calibrate them. But that defeats the purpose of why people want CGM ...
0
votes
1answer
2k views

Risk of HIV transmission during blood test?

If I as an healthy individual get my blood work done for preventative reasons (health checkup etc...) at mass testing labs (Labcorp) or smaller local internal medicine practices - what are the chances ...