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diagnosis differential management causes cardiology hyperkalemia treatment pharmacology ekg nephrology antiarrhythmics evaluation hypokalemia acls acs adult aha2020 angina cardiacarrest clinical
Typical ECG changes associated with hyperkalemia. → Peaked T wave → Wide PR interval, Wide QRS duration,
Typical ECG changes ... T wave → Wide PR ... changes may not ... #changes #progression ... #potassium
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 - 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
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
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
Hypokalemia - Differential Diagnosis Poor Intake - Starvation - Anorexia GI Losses - Vomiting / NG
- Anorexia GI Losses ... Ureterosigmoidostomy Urinary Losses ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
can be seen on EKG ... without reciprocal changes ... along with diffuse PR ... in refractory cases
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