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diagnosis hyperkalemia management treatment cardiology pharmacology antiarrhythmics medications pathophysiology acs angina antiarrhythmic chestpain ekg high hypokalemia k nephrology perioperative phases
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table Class I agents - Sodium Channel Blockers⠀ Class II
Vaughan Williams Classification ... - Summary Table ... III agents - Potassium ... #Medications #Classification ... #Summary #Table
Antiarrhythmics - Vaughan Williams Classification: CLASS 1 - Sodium Channel Blockers: • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... 3 - Potassium Channel ... velocity) - ↑ PR ... #Pharmacology #Classification
Antiarrhythmics Pharmacology Summary Cardiac Conduction Phases: Phase 0 - Ventricular Depolarization: • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... 3 - Potassium Channel ... velocity) - ↑ PR ... #Pharmacology #Classification
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
repolarization; changes ... prolonged PR and ... wave to produce classic ... #ECG #Changes # ... Progression #Table
Hyperkalemia - Management Algorithm • IV calcium • IV insulin and glucose and/or salbutamolt • Consider
Hyperkalemia - Management Algorithm ... Dialysis Serum potassium ... and ECG changes ... waves, Prolonged PR ... #hyperkalemia #potassium
Chest Pain / ACS Evaluation Algorithm Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS Evaluation ... Diamond-Forrester classification ... Ask about: - Changes ... - History - EKG ... ChestPain #ACS #Evaluation
Emergent Hyperkalemia Treatment Algorithm ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
ECG changes, weakness ... injury, etc) ECG ... changes? ... waves, prolonged PR ... treatment Remove potassium
Evaluation and Management of Hypokalemia Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
palpitations, changes ... electrocardiography (ECG ... Most cases of hypokalemia-induced ... depletion impedes potassium ... #Algorithm
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 Preoperative Risk Evaluation Major Pre-Op Questions: 1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... ASA class If ... event, follow ACC algorithm ... Change in clinical ... if result will change
Hyperkalemia - Diagnosis and Management - GrepMed Handbook S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
heparinized tube) • ECG ... , ST depress, ↑PR ... Elimination (see Table ... SPS (15-60g PO/PR ... Management #Treatment #potassium
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