70 results
diagnosis differential causes hyperkalemia management algorithm cardiology hypokalemia nephrology high pharmacology treatment fracture low medications orthopedics pediatrics peds pulmonary syndrome
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
Transcellular Shift ... Transcellular shifts ... nephrology #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm Increased Loss - Increased GI Loss - Increased Urinary
Transcellular Shift ... Algorithm #causes #potassium ... #low #pathophysiology
Causes of Hyperkalemia - Differential Diagnosis Algorithm • Increased Intake • Reduced Excretion (IV potassium with
Excretion (IV potassium ... Transcellular Shift
Mechanisms of Drug-Induced Hyperkalemia • Direct renin inhibitor (Aliskiren) • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC shift ... differential #diagnosis #pathophysiology ... #pharmacology #potassium
Hyperkalemia Treatment Options Stabilize cardiac membrane: • IV Calcium (peaks 5-10 minutes) Decrease potassium concentration: • IV Fluids Shift
minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... Sodium bicarbonate Potassium ... Hyperkalemia #management #potassium
Oxygen-Hemoglobin Dissociation Curve Left Shift (↓ O2 unloading to tissue), Left = Lower: • ↓ H+ (↑
Curve Left Shift ... Temperature Right Shift ... Dissociation #Curve #pathophysiology
Causes of Hyperkalemia Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
caused by excess potassium ... intake, impaired potassium ... transcellular shifts ... adapt to excess potassium ... excretion, increased potassium
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 Antiarrhythmic Drugs CLASS IA • Procainamide, Quinidine, Disopyramide CLASS 1B • Lidocaine, Mexiletine CLASS 2 • Propranolol, Esmolol CLASS 4
Adenosine, Magnesium, Potassium ... Medications #Classes #Classification
Oxyhemoglobin Dissociation Curve Left Shift - decreased unloading of O2 at tissue level (i.e. increased
Curve Left Shift ... Hypophosphatæmia Right Shift ... Dissociation #Curve #Pathophysiology ... #Left #Right #Shift
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table Class I agents - Sodium Channel Blockers⠀ Class II
Vaughan Williams Classification ... Class III agents - Potassium ... #Medications #Classification
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