16 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
cells FEMg >4% = renal ... if renal function ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
- Differential Diagnosis ... Renal Causes of ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... suggests extra-renal ... #Hypokalemia #diagnosis ... differential #potassium #nephrology ... #low
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... Decreased Intake: • Low ... - Gitelman SIGNS ... #Algorithm #Pathophysiology ... #Nephrology #Chloride
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... steatorrhea) • Renal ... #differential #diagnosis ... #nephrology #magnesium ... #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... diuretics • NSAIDs ... #differential #diagnosis ... #causes #potassium ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... diuretics • NSAIDs ... #differential #diagnosis ... #causes #potassium ... #high #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential Diagnosis ... Gittelman's syndrome • Magnesium ... aldosterone • Renal ... #Hypokalemia #Nephrology ... #Differential #Diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Mutism Pathophysiology ... • Examine for signs ... Casey Albin MD @ ... #comatose #diagnosis
Varicocele: Pathogenesis and clinical findings
Primary:
 - Anatomically: the left spermatic vein drains into the left renal
retroperitoneal masses ... Obstruction of blood flow ... #Varicocele #Pathophysiology ... #Signs #Symptoms ... #Urology #Diagnosis