5 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... T4 +/- T3 → Subclinical ... T4 +/- T3 → Primary ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Hypokalemic periodic paralysis ... GI losses (NG suction ... vomiting) • Low
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Secondary Amenorrhea - Differential ... Diagnosis Algorithm ... FSH, Low estrogen ... : • Functional ... #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
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Hypokalemia - Differential ... Diagnosis Algorithm ... Vomiting • NG suction ... Hypokalemia #Nephrology #Differential ... #Diagnosis #Algorithm