13 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Urinary Losses - Diuretics ... tubular acidosis ... Diagnosis #Low # ... #Causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts: - Alkalosis ... plasma insulin (treatment ... tubular acidosis ... #Causes #differential
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Gap Metabolic Acidosis ... Causes of High-anion ... Renal acidosis ... #Acidosis #differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... Alkalosis: Emesis ... , Diuretics, Bartter ... acidosis: Proximal ... diagnosis #Algorithm #differential
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, K-sparing diuretics ... Aldosterone, RTA Type ... only if no clear cause ... ) • Low K diet ... (IV loop diuretic
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... renal tubule diuretic ... syndrome (11-ß HSD type ... #Alkalosis #Differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... sparing diuretics ... infusions) - Metabolic ... acidosis - Hyperkalemia ... diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... sparing diuretics ... infusions) - Metabolic ... acidosis - Hyperkalemia ... diagnosis #causes
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
or low blood pressure ... ratio 0.5%) Differential ... tubular acidosis ... • Seizures • Rhabdomyolysis ... Treatment -
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
, Heat stroke, Metabolic ... Dermatomyositis) AKI - Pathophysiology ... Loop diuretics for ... Dialysis for severe hyperkalemia ... Management #Summary #causes