17 results
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Beta Blocker Side ... bradycardia, AV block ... syndrome (e.g. ... AdverseEffects #pharmacology ... #diagnosis
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
2nd Degree AV Block ... on EKG • P-R ... till a dropped beat ... Second #Degree #AV #Block ... #AVBlock #diagnosis
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 ... Mobitz I Heart Block ... HeartBlocks #Types #Classification ... degrees #summary #Diagnosis ... #EKG #electrocardiogram
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
sodium channel blockers ... - Amantadine Beta ... Blockers: - ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Diagnosis Summary ... First Degree AV Block ... #ekg #ecg #diagnosis ... electrocardiogram #classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... : • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
global T wave inversion ... bundle branch blocks ... bundle branch block ... #Differential #Diagnosis ... #EKG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV block ... Trifascicular block ... 1st degree heart block ... #EKG #Checklist ... #diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... - Proximal AV block ... QRS - Distal AV block ... #EKG #diagnosis