181 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... SAME, Cushing Syndrome ... , Gitelman syndrom ... Algorithm #causes #potassium ... #low #nephrology
Central Cord Syndromes
 - Anterior Cord Syndrome
 - Central Cord Syndrome
 - Brown Sequard Syndrome

#CentralCord #Syndromes
Central Cord Syndromes ... - Central Cord ... Sequard Syndrome ... #Anterior #Central ... #BrownSequard #Neurology
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Chloride depletion syndromes ... villous adenomas • Renal ... • Liddle syndrome ... • Severe potassium ... depletion (serum potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
potassium excretion ... Drugs Increased potassium ... (oral/iv) • Potassium-rich ... Diagnosis #algorithm #nephrology ... #potassium #differential
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
Localization of Renal ... Defects Fanconi Syndrome ... tubule Bartter Syndrome ... : Distal convoluted ... Pathophysiology #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... Proximal RTA, Distal ... #differential #potassium ... #nephrology #low
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... Medications Renal ... Losses Non-renal ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
gastrointestinal K loss • Renal ... hypokalemia • Renal ... , Gitelman's syndrome ... algorithm #causes #nephrology ... #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 ... Sodium bicarbonate Potassium ... (if preserved renal ... #nephrology
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
Potassium Electrolyte ... before repleting potassium ... Oral: • Pills (ask ... 10 mEq/hr) • Central ... SatyaPatelMD #Potassium