14 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Thyrotoxicosis Medications ... losses (NG suction, diarrhea ... #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Diagnosis Poor ... NG drainage - Diarrhea ... Diagnosis #Low # ... Potassium #Table
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Gl tract loss (Diarrhea ... #Differential # ... #causes #potassium
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Potassium Channel ... Blockers - Medications ... #Differential # ... Diagnosis #Pharmacology ... #Toxicology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Gastrointestinal loss: Diarrhea ... #urine #potassium ... #differential # ... algorithm #diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Laxative use • Diarrhea ... consumption • Low ... #diagnosis #Algorithm ... #differential # ... #low
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... #differential # ... diagnosis #pathophysiology ... #pharmacology # ... potassium #medications
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Renal Loses - Medications ... Hypercalcemia - Hypokalemia ... Hypomagnesemia #Differential ... #Diagnosis #Low
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
biliary fistula - Diarrhea ... osmotic diuresis - Potassium ... #differential # ... medications #drugs ... #pharmacology #
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... (renal potassium ... ratio 0.5%) Differential ... Congenital chloride diarrhea ... Gitelman #Syndrome #diagnosis