9 results
Differences between Mobitz Type I and Type II Second-Degree AV Block

#Mobitz #Wenckebach #TypeI #TypeII #Type1 #Type2
Second-Degree AV ... Block #Mobitz ... #Type1 #Type2 #AVBlock ... SecondDegree #Cardiology #Comparison ... #EKG
Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
Bradycardias Comparison ... - 1st DEGREE AV ... AV BLOCK Type 1 ... Diagnosis #Cardiology #EKG ... #Common #Comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... block. ... cardiology #diagnosis #ekg ... variants #clinical #comparison
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Sinus bradycardia, AV ... block, Heart failure ... withdrawal syndrome (e.g ... AdverseEffects #pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
causing ↓SA node and AV ... interval to prolong AV ... interval to prolong AV ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... block. ... cardiology #diagnosis #ekg ... variants #clinical #comparison
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... interval to prolong AV ... interval to prolong AV ... Antiarrhythmics #Pharmacology ... Classification #Classes #pathophysiology
Muscarinic Receptor Agonists and Antagonists 
Muscarinic Receptor Agonists
Methacholine
 • Diagnosis of bronchial airway
Carbachol
 • Glaucorna (topical
symptomatic bradycardia (e.g ... ., AV block) • ... #Medications #Pharmacology
Adrenoceptor Actions
α1
 • Vascular smooth muscle - Contraction
 • Genitourinary smooth muscle - Contraction
 • Intestinal
• Heart - ↑ AV ... receptors #actions #pharmacology ... #pathophysiology ... #comparison #table