13 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... +/- T3 → Primary ... T3 → Central (secondary ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Causes == Primary ... Mellitus Liver Function ... /uremia TSH & T4 ... #secondary #systemic ... #causes
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... unclear (often the case ... then go to stim testing ... normal adrenal function ... Insufficiency #Diagnosis #Algorithm
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Differential Diagnosis Algorithm ... by age 16 with secondary ... age 14 without secondary ... Hypothalamic: • Functional
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary ... Mellitus Liver Function ... /uremia TSH & T4 ... #Pruritus #secondary ... #causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... baseline ACTH - Primary ... baseline ACTH - Secondary
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... arrhythmias and paralysis ... from other causes ... suggests extra-renal causes ... ↑ Aldosterone: Primary
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Abnormalities in primary ... or secondary hemostasis ... clotting factor function
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Differential Diagnosis Algorithm ... estrogen: • Functional ... (e.g. eating disorder ... #Causes #OBGyn
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... , nasogastric suction ... thiazide-like diuretics), Primary ... hyperaldosteronism, Secondary ... #Hypokalemia #Causes