Signification of "ptt"

If it’s your biologist who needs to perform this analysis, this is what it is

The APTT (activated partial thromboplastin time) measures the time needed for blood clot formation. It is usually prescribed along with the PT to investigate episodes of bleeding or clot formation (thrombosis).

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It’s great, retirement! Especially in the Caribbean...
Raymond (INSA, AFPA)

Hello.

If it's your doctor who wrote that to you, it's quite serious:

Thrombotic thrombocytopenic purpura (TTP) or Moschcowitz disease is a severe form of thrombotic microangiopathy characterized by hemolytic anemia due to microangiopathy, peripheral thrombocytopenia, central neurological signs, fever, and possibly renal involvement.

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Retirement is great! Especially in the West Indies...
Raymond (INSA, AFPA)

This acronym can have several definitions depending on the field being discussed.
So, what is the field from which you are taking the acronym PTT?
But if it’s in the field of transceivers, it means Push To Talk.

Hello,

As kids, we loved this meaning, Small, Work, Quiet. For the Post, Telegraph and Telephone agents ;-)

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        a stranger is a friend we have not yet met.

Is it like TPM?

Hello there... YES, we start with that here...

Next... well... a simple search will give you the answer
https://www.google.com/search?q=ptt

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Best regards,
Jordane