8 results
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... treated with IV potassium ... A urine K/Cr ratio ... Laxative use • Diarrhea ... A urine K/Cr ratio
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Ureterosigmoidostomy Urinary ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
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
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis - Urinary ... Chloride Algorithm ... the indicated causes ... of sodium and potassium ... #Algorithm #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... GI losses - Chronic ... diarrhea / IBD ... Magnesium #Table #Classification ... #Causes #Workup
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Differential Diagnosis Algorithm ... (AML) • Chronic ... Renal • Chronic ... Sarcoidosis • Hypercalcemia ... endocrinology #causes
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Chloride-rich diarrhea ... acute reversal of chronic ... > 20 meq/L • Primary ... other • Severe potassium
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... erythematosus (SLE ... Diagnosis #High #Potassium ... #Classification ... #Causes