14 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Low TSH, Low ... • Low TSH, normal ... : Work-up similar ... • Low TSH, high ... #algorithm #diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... ) - Diagnostic Algorithm ... #Hyperthyroidism ... #Workup #Endocrinology
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup ... Algorithm • ... Graves disease • Low ... Iodine Scan - Low ... Differential #Diagnosis #Algorithm
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Differential Diagnosis Algorithm ... filling of bucket (low ... time (urinary or GI ... Differential #Diagnosis #Algorithm ... #Causes #workup
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Beer Potomania - Low ... Hypovolemic - GI ... • Euvolemic - Hypothyroidism ... Differential #Diagnosis #Algorithm
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Differential Diagnosis Algorithm ... GI Losses - Gastric ... • NG suction GI ... Losses - Lower ... Differential #Diagnosis #Algorithm
Lower GI Bleed - Management Algorithm

Suspected lower GI bleeding (LGIB):
 • Hematochezia 
 • Melena +
Lower GI Bleed - ... Management Algorithm ... Suspected lower ... bleed) vs Stable ... GIBleed #management #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Hypovolemic (H2O loss): GI ... • Euvolemic (Low ... #Algorithm #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... hypomagnesemia Excessive GI ... Differential #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes #Workup
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Appropriately Low ... : • Decreased GI ... Differential #Diagnosis #Algorithm ... nephrology #phosphorus #workup