#431: MMM - Review the Differences Between PTT and aPTT
Straight A Nursing: Study for nursing school exams & NCLEX
Straight A Nursing
4.8 • 1.2K Ratings
🗓️ 25 August 2025
⏱️ 6 minutes
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| 0:00.0 | Every nurse and nursing student knows that when your scrubs are uncomfortable, the whole day just feels harder. |
| 0:05.7 | And that is why I love figs. |
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| 1:18.2 | Hello there, I'm Nurse Moe, and welcome to Mo's Monday Minute, a shorty episode of the Straight A Nursing podcast where I share a quick tip you can start using to improve your practice |
| 1:23.4 | or habits right away. For more in-depth topics, check out the episodes I release on Thursdays. |
| 1:29.7 | So you've probably noticed, if you've been in the clinical setting for any amount of time, |
| 1:33.7 | that there are two very similar-sounding lab tests that are part of your coagulation studies, |
| 1:40.0 | the PTT and the A-PTT. Are they the same? Are they different? Let's take a quick look. |
| 1:48.5 | So the PTT and A PTT are tests that look at the intrinsic pathway of clot formation. Specifically, |
| 1:57.2 | it's looking at blood clotting factors such as fibrinogen and thrombin as well as factors five |
| 2:04.4 | and then factors eight through 12 so when any of these are deficient such as in hemophilia a or b |
| 2:11.1 | or d ic then the patient will have what is called a prolonged partial thromboplastin time. PTT stands for |
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