36 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
potassium excretion ... Drugs Increased potassium ... • Drugs • Diabetic ... Diagnosis #algorithm #nephrology ... #potassium #differential
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... • Discontinued diuretic ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
minutes) Decrease potassium ... Fluids Shift potassium ... (if preserved renal ... function) - Loop diuretic ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Hypokalemia - Differential ... Ureterosigmoidostomy, Diabetic ... #hypokalemia #differential ... algorithm #causes #nephrology ... #potassium
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... perspiration Renal ... diuresis • Central diabetes ... • Nephrogenic diabetes ... Diagnosis #Causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... #Hypokalemia #Differential ... Algorithm #causes #potassium ... #low #nephrology
Intrinsic Renal Disease - Differential Diagnosis
Vascular:
 • Macrovascular: Renal artery occlusion, Fibromuscular disease
 • Microvascular: TTP/HUS,
Intrinsic Renal ... Disease - Differential ... Membranous, FSGS, Diabetic ... #Disease #nephrology ... #differential #
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
Acidosis (HAGMA) - Differential ... ketoacidosis Renal ... Ketoacidosis - diabetic ... Acidosis #HAGMA #Differential ... GOLDMARK #mnemonic #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Polydipsia • Central Diabetes ... • Nephrogenic Diabetes ... Dl • Chronic Renal ... Algorithm #causes #nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... Diagnosis Renal ... transplant, Diuretic ... Hypomagnesemia #differential ... diagnosis #causes #nephrology