13 results
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Beta Blocker Side ... Effects: • Sinus bradycardia ... , AV block, Heart ... tachycardia, anxiety ... AdverseEffects #pharmacology
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
(VT) AV indicates ... bundle branch block ... bundle branch block ... #Electrocardiogram ... #Diagnosis #Cardiology
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
Block on EKG ... till a dropped beat ... #Block #AVBlock ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... block 1º - long ... block (lower AV ... block - ventricular
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block ... Rhythm • Atrial Tachycardia ... with 2:1 AV Block ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
) block is not seen ... seen are sinus bradycardia ... Non-paroxysmal atrial tachycardia ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block ... Vaughan #Williams #Pharmacology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... • Block in AV ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV ... block • ↓ Mg ... Trifascicular block ... 1st degree heart block ... #electrocardiogram
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block ... Classification #Classes #pathophysiology