15 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart Blocks ... 1st Degree Heart Block ... Mobitz I Heart Block ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... sick sinus, AV block ... Hypothyroidism - TOX: beta-blockers ... TREATMENT - Drugs (beta-blockers ... #Bradycardia #Algorithm
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... : • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... this class are beta ... #Medications #Classification ... #Summary #Table
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Atrioventricular Blocks ... (AV blocks) - ECG ... First Degree AV Block ... ecg #diagnosis #electrocardiogram ... #classification
First, Second (Type 1 and Type 2), and Third Degree Heart Blocks - Comparison

#HeartBlocks #Comparison #First
Third Degree Heart Blocks ... Cardiology #ECG #EKG #Electrocardiogram ... #Diagnosis #Table
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
diltiazem) - AV block ... statins, digoxin) Beta ... , AV block (grade ... Depression, AV block ... contraindications #table
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: • MOA: Block ... duration CLASS 2 - Beta ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
2nd Degree AV Block ... till a dropped beat ... Second #Degree #AV #Block ... cardiology #EKG #ECG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block