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diagnosis differential causes nephrology hypokalemia management low pharmacology cardiology treatment high medications pathophysiology antiarrhythmics ecg ekg blood electrocardiogram evaluation hematology
Typical ECG changes associated with hyperkalemia. → Peaked T wave → Wide PR interval, Wide QRS duration,
Typical ECG changes ... associated with hyperkalemia ... T wave → Wide PR ... note that ECG changes ... #hyperkalemia #ECG
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
Causes of Hyperkalemia - Differential Diagnosis Algorithm • Increased Intake • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... Differential Diagnosis Algorithm ... Excretion (IV potassium ... Transcellular Shift #Hyperkalemia ... Differential #Diagnosis #Algorithm
Hyperkalemia - Management Algorithm • IV calcium • IV insulin and glucose and/or salbutamolt • Consider
Hyperkalemia - Management ... Algorithm • IV ... and ECG changes ... waves, Prolonged PR ... #potassium #high
Hypokalemia - Differential Diagnosis Poor Intake - Starvation - Anorexia GI Losses - Vomiting / NG
Hypokalemia - Differential ... DrEricStrong #Hypokalemia ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
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
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
Emergent Hyperkalemia Treatment Algorithm ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... Treatment Algorithm ... ECG changes, weakness ... waves, prolonged PR ... treatment Remove potassium
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