4 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Tests in the Evaluation ... Hyperthyroidism: Work-up ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Diagnosis Algorithm ... FSH, Low estrogen ... : • Functional ... (e.g. eating disorder ... #Causes #OBGyn
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Primary Amenorrhea - Differential ... Diagnosis Algorithm ... Etiology - High FSH, Low ... Hypothalamic: • Functional ... #Causes #OBGyn
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
urine Na/Cl > 1.6, low ... confirmed via genetic testing ... in most cases; interpretation ... dependent upon local laboratory ... hypokalemia #diagnosis #differential