19 results
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
- Differential ... glycosides • High ... Elimination: • AKI ... blockers - MCW Nephrology ... #Differential #
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... - Differential ... intake and renal failure ... mets- prostate cancer ... Hyperphosphatemia, High
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... Congestive heart failure ... • Reduced GFR, AKI
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... Congestive heart failure ... • Reduced GFR, AKI
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Kidney Injury ( AKI ... perfusion: • Cardiac failure ... Cervical cancer ... #Differential # ... Nephrology **
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... • Acute renal failure ... Chronic renal failure ... Normal, Renin High ... #potassium #differential
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Independent: • Tea ... Treat with a high ... #Hyponatremia #Differential ... Algorithm #causes #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... - Differential ... HEMODYNAMIC • Cardiac failure ... fibrosis, cervical cancer ... #Diagnosis #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
diuresis can be high ... Present (Uosm ≥100): Hypovolemia ... perfusion (Heart failure ... #Hyponatremia #differential ... table #sodium #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... insufficiency/Failure ... #differential # ... #nephrology