16 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... mOsm/kg - Implies renal ... Hypervolemic: Conn ... #Differential # ... Workup #Algorithm #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
• Acute renal ... failure • Chronic ... renal failure ... Diagnosis #algorithm #nephrology ... #potassium #differential
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Treatment Options Stabilize ... Fluids Shift potassium ... (if preserved renal ... #Hyperkalemia #management ... #potassium #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... : • Acute or chronic ... #Differential # ... Algorithm #Causes #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
caused by the inability ... correction of chronic ... #Differential # ... Diagnosis #Treatment #management ... #nephrology #sodium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Recent IV potassium ... trauma - Ischemic colonic ... #hyperkalemia #differential ... #high #nephrology
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
Hematuria in Post-Renal ... FSGS • Other: Chronic ... #Transplant #differential ... #blood #urine #management ... #treatment #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... The differential ... correction of chronic ... Diagnosis #Treatment #management ... #nephrology #sodium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Recent IV potassium ... trauma - Ischemic colonic ... #hyperkalemia #differential ... #high #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Agents Regulating Renal ... irrigation • Management ... nephrotic syndrome • Hyponatremia ... and euvolemic hyponatremia ... Excretion #Diuresis #Nephrology