11 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Normal Acid-Base: Low ... Gl tract loss (Diarrhea ... Differential #Diagnosis #Algorithm ... #causes #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... losses (NG suction, diarrhea ... vomiting) • Low ... #nephrology #low ... #potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... the basis of the potassium-to-creatinine ... Gastrointestinal loss: Diarrhea ... hypokalemia #urine #potassium ... #differential #algorithm
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... Laxative use • Diarrhea ... consumption • Low ... #nephrology #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... of sodium and potassium
Risk Factors and Signs of Copper Deficiency
Risk Factors:
 • Gastrointestinal: Previous upper bowel resection/bariatric surgery, Inflammatory
Risk Factors and Signs ... , Chronic diarrhoea ... , Short bowel syndrome ... , Malnutrition Signs ... Musculoskeletal: Low
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
metastasis (hungry bone syndrome ... biliary fistula, Diarrhea ... osmotic diuresis, Potassium ... Tubulointerstitial renal disease ... nephrology #magnesium #low
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Irritable Bowel Syndrome ... /o red flags - Low ... • If Diarrhea: ... Rule out celiac disease ... inflammatory bowel disease
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... result-watery diarrhoea ... mellitus, Bile acid diarrhoea ... fecal #elastase #low ... diagnosis #causes #gastroenterology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... Hypokalemia (renal potassium ... • Autoimmune disease ... Congenital chloride diarrhea ... Supplement: • Potassium