13 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... • Low TSH, Low ... T4 +/- T3 → Primary ... #algorithm #diagnosis ... endocrinology #TFTs #TSH #Interpretation
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Systemic and Primary ... Causes == Primary ... Urticaria == No Primary ... Mellitus Liver Function ... #Pruritus #primary
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... Prolactin + Normal/ Low ... + High TSH • Primary ... Hypothyroidism ... Endocrinology #Causes
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
diagnostic of primary ... normal adrenal function ... suggests EITHER primary ... ACTH: - High = primary ... AI - Low = secondary
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Etiology - High FSH, Low ... Hypothalamic: • Functional ... Hyperprolactinemia • Hypothyroidism ... #Primary #Amenorrhea
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Differential Diagnosis Algorithm ... Vomiting, NGT suction ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary ... Differential Diagnosis Algorithm ... Mellitus Liver Function ... • Hyperthyroidism ... #causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... - Urinary Chloride ... Vomiting/nasogastric suction ... - Normal/low ... #causes #urinary
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Most cases diagnosed ... severe mobility/functional ... Wilson's disease • hypothyroidism ... Phosphatase: • Other causes ... • Elevation of urinary
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... loss: Nasogastric suction ... hormone secretion, Hyperthyroidism ... Hypercalcemic states, Primary ... nephrology #magnesium #low