Coumadin, Heparin, Antidotes and Lab Values for Drugs
Here are what lab test you use for blood thinners effectiveness:
Protamine sulfate: antidote for heparin (use is when patient’s aPTT is very high); it works quickly.
Easy way to remember is – HPaPTT (H for Heparin, P for Protamine the antidote, aPTT for the lab test used)
Vitamin K: antidote for coumadin (uses PT/INR); both work slowly.
Easy way to remember is – CKPT/INR (C for Coumadin, K for vitamin k, PT/INR for the lab testing conducted)
And now here are the Normal Therapeutic Range for the following important drugs:
Digoxin 0.8 – 2 nanogram/ml.
Digoxin is a cardiac glycoside, it increases the cardiac output not by making heart beat faster but my strengthening the contraction and thus more blood flow results. Used in CHF. Used in treating anti-arrhythmic effects.
Gentamicin 5 – 10 microgram/ml.
Dilantin 10 – 20 microgram/ml.
Dilantin is an antiepileptic drug used in treating various types of seizures.
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Vitamin K is not potassium on July 9, 2010
How does the antidote for coumadin work? I understand that coumadin is a blood thinner and vitamin K is a coagulant but I am wondering the how this anticoagulant function can be blocked.
jason on July 18, 2010
Protime sulfate is what you get to treat heparin overdose.