Lab Value Patho Range/ Critical Value What’s Normal? What’s…
| Lab Value | Patho | Range/ Critical Value | What’s Normal? What’s abnormal? Significance? | Treatments | Nursing Considerations |
| 12 PTT | Prothrombin time measures the amount of time needed to form a clot. | 25-35 sec | Increased could indicate deficiency in vitamin K, deficiency in clotting factor, liver disease | ||
| 13 INR | INR is calculated from the prothrombin time and is used to monitor oral anticoagulants such as warfarin | Not on warfarin <1 sec
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On warfarin 2-3 sec |
Numbers are low = clots will grow, warfarin therapy numbers are too high = patient could die | ||
| 14 aPTT | aPTT measures how long it takes for a blood clot to form. It is aso used to monitor effectiveness of the anticoagulant heparin. | Not on heparin 30-40 sec
On heparin 47-70 sec |
Hypercoagulable numbers are lo = clots will grow, heparin therapy numbers are too high= patient could die |
