9 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... Tests (TFTs) and Interpretation ... #Tests #TFTs #Interpretation ... endocrinology #diagnosis #laboratory ... #patterns #differential
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... normal T4 +/- T3 ... TSH, high T4 +/- T3 ... #algorithm #diagnosis ... endocrinology #TFTs #TSH #Interpretation
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Algorithm - ... #Algorithm #diagnosis ... #differential # ... pulmonary #function ... #testing
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Amenorrhea - Differential ... Diagnosis Algorithm ... • Hyperthyroidism ... Challenge • Functional ... • Weight Loss, Eating
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Secondary Amenorrhea - Differential ... Diagnosis Algorithm ... estrogen: • Functional ... (e.g. eating disorder ... compression) • Hypothyroidism
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Primary Amenorrhea - Differential ... Diagnosis Algorithm ... Hypothalamic: • Functional ... (e.g. eating disorder ... Hyperprolactinemia • Hypothyroidism
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... or low Uosm), Hypothyroidism ... Cerebral Salt Wasting ... #Hyponatremia #differential ... #diagnosis #table
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... confirmed via genetic testing ... in most cases; interpretation ... dependent upon local laboratory ... hypokalemia #diagnosis #differential
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
monkeypox virus or to differentiate ... should use this algorithm ... reference level Laboratory ... See table below ... #SmallPox #Laboratory