4 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
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Thyroid Function ... Tests (TFTs) and Interpretation ... #Tests #TFTs #Interpretation ... endocrinology #diagnosis #laboratory ... #patterns #differential
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... high; in some cases ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... Diagnosis Algorithm ... Vomiting • NG suction ... Hypokalemia #Nephrology #Differential ... #Diagnosis #Algorithm
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... continued in most cases ... ; interpretation ... dependent upon local laboratory ... hypokalemia #diagnosis #differential