13 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Diagnosis Algorithm ... Urine Mg < 10g • Diarrhea ... #Magnesium #Low ... #Causes #Differential
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

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

 • Secondary Hyperthyroidism (↑↔TSH,
- Differential ... Diagnosis and Workup ... Algorithm • ... Iodine Scan - Low ... #Differential #
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... losses - Chronic diarrhea ... #Differential # ... Diagnosis #Low # ... Classification #Causes #Workup
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Ova and Parasite ... #Workup #Management ... #diagnosis #differential
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... - Normal/low ... Gitelman syndrome, Hypomagnesemia ... #Diagnosis #Algorithm
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... hormone secretion, Hyperthyroidism ... #Causes #differential ... nephrology #magnesium #low
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Appropriately Low ... Absorption: Chronic Diarrhea ... nephrology #phosphorus #workup
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Oxygenation - Differential ... Diagnosis Algorithm ... Uterine Blood Flow ... Vasculopathy (SLE ... mellitus, HTN) • Hyperthyroidism