25 results
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... A urine K/Cr ratio ... Laxative use • Diarrhea ... A urine K/Cr ratio ... mEq/g suggests urinary
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
with hypokalemia ... Urine K+ <13 mEq ... Gastrointestinal loss: Diarrhea ... Urine K+ >13 mEq ... #urine #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Increased Urinary ... which imports K+ ... #causes #potassium ... #low #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... K level. ... differential #diagnosis #algorithm ... #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... losses (NG suction, diarrhea ... K intake (anorexia ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Gl tract loss (Diarrhea ... secreting tumor, Primary ... #causes #potassium
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... Tubulointerstitial diseases - Urinary ... transplant - SLE ... Ketoconazole Low ... #Algorithm #diagnosis
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
pH Calculate Urinary ... 5.5 • Serum K ... low/normal Type ... 4: Hyperkalemic ... Loss of HCO3 - Diarrhea
Hypokalemia Diagnostic Algorithm
To assess potassium excretion: perform 24-hour urine collection or alternatively obtain potassium-to-creatinine ratio on
Algorithm To assess ... perform 24-hour urine ... (K⁺ <3.5 mEq/L) ... suggest renal K ... #nephrology #low
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Ureterosigmoidostomy Urinary ... Differential #Diagnosis #Low ... #Potassium #Table ... Classification #Causes