8 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
2 - Beta Blockers ... alpha & beta adrenergic ... Vaughan #Williams #Pharmacology ... #pathophysiology ... #cardiology
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
global T wave inversion ... bundle branch blocks ... bundle branch block ... #Cardiology #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- treat with beta-agonist ... 60 (1) Sinus bradycardia ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... 2 - Beta Blockers ... alpha & beta adrenergic ... #pathophysiology ... #phases #cardiology
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
increased bleed risk Beta-Blockers ... Decreases effects of beta-blockers ... potential arrhythmias Class ... supplementals #herbal #pharmacology ... #DDI #table #cardiology
Bradycardia - Differential Diagnosis 
 • Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies,
Bradycardia - Differential ... . digoxin, beta ... blockers, calcium ... Physiological causes ... Differential #Diagnosis #cardiology
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... (eg. remifentanil ... toxicity (→ 3-10); beta-blocker ... calcium channel blocker ... Management #Workup #Cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Bundle Branch Block ... bundle-branch block ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram