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diagnosis differential causes management potassium pharmacology cardiology hypokalemia treatment low antiarrhythmics high medications nephrology disorders ecg ekg evaluation hyponatremia summary
Antiarrhythmics - Vaughan Williams Classification: CLASS 1 - Sodium Channel Blockers: • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification Class I (Ia, Ib, Ic) - Na+ Channel Blockade • Slows depolarization
Vaughan Williams Classification ... , Ic) - Na+ Channel ... rate and prolongs PR ... rate and prolongs PR ... VaughanWilliams #Classification
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
Hyperkalemia shortens ... repolarization; changes ... prolonged PR and ... wave to produce classic ... #Progression #Table
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table Class I agents - Sodium Channel Blockers⠀ Class II
Vaughan Williams Classification ... - Summary Table ... - Sodium Channel ... #Medications #Classification ... #Summary #Table
Antiarrhythmics Pharmacology Summary Cardiac Conduction Phases: Phase 0 - Ventricular Depolarization: • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Hypokalemia - Differential Diagnosis Poor Intake - Starvation - Anorexia GI Losses - Vomiting / NG
Hypokalemia - Differential ... DrEricStrong #Hypokalemia ... Low #Potassium #Table ... #Classification ... #Causes
Hyperkalemia - Management Algorithm • IV calcium • IV insulin and glucose and/or salbutamolt • Consider
Hyperkalemia - Management ... Algorithm • IV ... potassium and ECG changes ... waves, Prolonged PR ... , asystole #hyperkalemia
Hyperkalemia Differential Diagnosis Algorithm R/O Pseudo-hyperkalemia: • Possible Lab error! Alwavs Repeat Blood sample! • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #high #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm Increased Loss - Increased GI Loss - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Refeeding Syndrome #Hypokalemia ... Differential #Diagnosis #Algorithm ... #low #pathophysiology
Hypomagnesemia - Etiologies by Mechanism Decreased GI Uptake - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
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