37 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses ... loss (Diarrhea) Renal ... • HTN, High Aldosterone ... #causes #potassium ... #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... UNa > 20: • Renal ... Bicarbonaturia with renal ... Acute or chronic renal ... #Causes #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
≥100): SIADH, Renal ... diuresis can be high ... Present (Uosm <100): Renal ... with poor renal ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... • Reduced GFR, AKI ... Hypothyroidism • Adrenal ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... • Reduced GFR, AKI ... Hypothyroidism • Adrenal ... #Nephrology #Differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... gastrointestinal K loss • Renal ... • Renal tubular ... acidosis (type ... #causes #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Treat with a high ... • Renal Failure ... Hypovolemic - GI losses, renal ... Hypothyroidism, adrenal ... #causes #nephrology
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
High Anion Gap Metabolic ... with short bowel syndrome ... ketoacidosis Renal ... acids in advanced renal ... GOLDMARK #mnemonic #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Tumor lysis syndrome ... • Metabolic acidosis ... glycosides • High ... blockers - MCW Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... suggests extra-renal ... urinary losses: • High ... acidosis: Proximal ... differential #potassium #nephrology