32 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
• Acute renal ... Normal, Renin High ... hypoplasia Aldosterone high ... Diagnosis #algorithm #nephrology ... #potassium #differential
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Metabolic Alkalosis - Differential ... chloridorrhea - High-volume ... villous adenomas • Renal ... - Chloruretic drugs ... • Severe potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... • HTN, High Aldosterone ... Algorithm #causes #potassium ... #low #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
- Insulin (high ... renal Fanconi syndrome ... hypomagnesemia #Medications ... #differential # ... diagnosis #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Al, High R - Secondary ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... and Gitelman syndrome ... Hypomagnesemia with secondary ... Hypomagnesemia - Acquired: Medications ... diagnosis #causes #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Hypokalemia - Differential ... suggests either secondary ... hypokalemia • Renal ... algorithm #causes #nephrology ... #potassium
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
osmotic diuresis - Potassium ... disease Drugs: ... - Primary or secondary ... Causes #diagnosis #differential ... #medications #drugs
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... • Refeeding syndrome ... Thyrotoxicosis Medications ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... reactions Common Drugs ... - Tumor lysis syndrome ... Medications 2. ... #high #nephrology