11 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
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Differential Diagnosis Algorithm ... Vomiting, NGT suction ... Liddle syndrome #Primary ... #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Medications (diuretics), Hypothyroidism ... (UOsm < 100): Primary ... polydipsia, Low ... diagnosis #sodium #nephrology
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
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
acid <4 • SIADH, Hypothyroidism ... , Low solute intake ... Glucocorticoid deficiency, Primary ... #Hyponatremia #algorithm ... #nephrology
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Differential Diagnosis Algorithm ... Etiology - High FSH, Low ... Hypothalamic: • Functional ... Hyperprolactinemia • Hypothyroidism
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... Uosm), Hypothyroidism ... water intake (Primary ... table #sodium #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
loss: Nasogastric suction ... hormone secretion, Hyperthyroidism ... Hypercalcemic states, Primary ... differential #diagnosis #nephrology ... #magnesium #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm ... Vomiting/nasogastric suction ... alkalosis • Normal/low ... Chloride #urine #Algorithm ... #nephrology #differential
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