3 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... T4 +/- T3 → Primary ... T3 → Central (secondary ... #algorithm #diagnosis ... endocrinology #TFTs #TSH #Interpretation
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
by age 16 with secondary ... age 14 without secondary ... Etiology - High FSH, Low ... Hypothalamic: • Functional ... Hyperprolactinemia • Hypothyroidism
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
loss: Nasogastric suction ... disease • Drugs: Loop ... hormone secretion, Hyperthyroidism ... or secondary aldosteronism ... nephrology #magnesium #low