26 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Diagnosis Algorithm ... • Burns • Diarrhea ... JAK-2 Positive - Low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Urine Mg < 10g • Diarrhea ... #Magnesium #Low ... #Causes #Differential
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Hypokalemia • Hypomagnesemia ... • Small bowel diarrhea ... endocrinology #causes
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
- Differential ... Pseudohypoparathyroidism, Chronic ... Hyperphosphatemia, Low ... contrast agents • Hypomagnesemia ... #Causes #algorithm
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Diagnosis Algorithm ... - Normal/low ... Gitelman syndrome, Hypomagnesemia ... diarrhea, Kidney ... #causes #urinary
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... #Differential # ... Diagnosis #Low # ... Classification #Causes
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... How we define polycythemia ... levels: realllly low ... normal/high - Chronic
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Diagnosis Algorithm ... Hyponatremia, Hypomagnesemia ... #Causes #neurology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... #algorithm #differential ... #diagnosis #causes ... #nephrology #magnesium ... #low