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pharmacology cardiology diagnosis differential hyperkalemia antiarrhythmics classes classification management avnrt bradycardia causes druginduced hypokalemia impaired low medications nodal phases reentrant
Bradycardia Diagnostic and Management Algorithm CONSIDER ETIOLOGY (not inclusive): - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... STRUCTURAL: sick sinus, AV ... Hypothyroidism - TOX: beta-blockers ... TREATMENT - Drugs (beta-blockers ... #Bradycardia #Algorithm
Antiarrhythmics - Vaughan Williams Classification: CLASS 1 - Sodium Channel Blockers: • MOA: Block fast Na+ channels
duration CLASS 2 - Beta ... interval to prolong AV ... repolarization CLASS 3 - Potassium ... alpha & beta adrenergic ... Classification #Classes #pathophysiology
Drugs that Impair Renal Potassium Excretion Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... Release: NSAIDs, Beta-Blockers ... #Hyperkalemia #Pathophysiology ... Pharmacology #Impaired #Potassium
Mechanisms of Drug-Induced Hyperkalemia • Direct renin inhibitor (Aliskiren) • Renin release inhibition (NSAIDs, Beta-Blockers)
inhibition (NSAIDs, Beta-Blockers ... Angiotensin II Receptor Blockers ... Sodium-channel blockers ... differential #diagnosis #pathophysiology ... #pharmacology #potassium
Antiarrhythmics Pharmacology Summary Cardiac Conduction Phases: Phase 0 - Ventricular Depolarization: • Na+ channels open leading to a
duration CLASS 2 - Beta ... interval to prolong AV ... repolarization CLASS 3 - Potassium ... alpha & beta adrenergic ... Classification #Classes #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm Increased Loss - Increased GI Loss - Increased Urinary
Differential Diagnosis Algorithm ... cells: Insulin, Beta-Agonist ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology
Emergent Hyperkalemia Treatment Algorithm ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Hyperkalemia Treatment Algorithm ... , bradycardia, AV ... blocks) -> Calcium ... Combo of insulin + beta-agonist ... treatment Remove potassium
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology - Dual AV nodal physiology is
Tachycardia (AVNRT) - Pathophysiology ... pathway which blocks ... created if the beat ... With the echo beat ... Tachycardia #AVNRT #Pathophysiology
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