31 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... Medications Renal ... Losses Non-renal ... #nephrology #low ... #potassium
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... oral intake Renal ... tubular acidosis ... Transcellular shift ... #Causes #Classification
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... minutes) Decrease potassium ... • IV Fluids Shift ... (if preserved renal ... #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic algorithm ... Decreased renal ... • Acute renal ... Hyperkalemia #Diagnosis #algorithm ... #nephrology #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses ... • Metabolic acidosis ... loss (Diarrhea) Renal ... #causes #potassium ... #low #nephrology
Toluene Poisoning - Diagnosis and Management Summary
What is it?  Volatile hydrocarbon, Glue or paint-sniffing, Occupational
effects (inc psych) Renal ... raised AG acidosis ... normal anion gap acidosis ... , ↓K+ Renal - chronic ... environment • Potassium
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Differential Diagnosis Algorithm ... Redistribution/ Shift ... into cells - Acute ... bone syndrome • Renal ... #causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Acidosis - RTA ... Intracellular Shift ... Renal artery stenosis ... Causes #Workup #Nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
t-PA, heparin Acute ... Transcellular Shift ... : • Lactic acidosis ... CKD Increased Renal ... Workup #phosphate #nephrology
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... bicarbonate if acidosis ... Dialysis Serum potassium ... blocks, QRS axis shift ... #treatment