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Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• PR interval ... • The RR interval ... the shortest RR interval ... is constant PR interval ... • The PR interval
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR interval ... Duration) - ↑ QT interval ... velocity) - ↑ PR interval ... #Classes #pathophysiology
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
Mobitz Type I (Wenckebach ... 2nd Degree AV Block ... on EKG • P-R interval ... resets • P-P interval ... Second #Degree #AV #Block
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... , Mobitz Type I ... • PR interval ... beating" • The block ... #Type1 #SecondDegree
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR interval ... - Mobitz Type 1 ... progressively prolonged PR intervals ... - Mobitz Type 2 ... have a Mobitz Type
ILAE Classification of Seizure Types
 - Focal Onset
 - Generalized Onset
 - Unknown Onset
 - Unclassified

SCVMC
ILAE Classification ... of Seizure Types ... Unclassified SCVMC Internal ... SCVMCMed #Seizure #Types ... #ILAE #Classification
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... , Mobitz Type II ... bundle branch block ... • PR intervals ... system #Mobitz #Type2
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV Block ... Type I aka Mobitz ... shortening of the RR interval ... • The RR interval ... the shortest RR interval
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval ... T-wave, the JT interval ... you use the JT Interval ... than prolonged QT interval ... electrocardiogram #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR interval ... Duration) - ↑ QT interval ... velocity) - ↑ PR interval ... #Classes #pathophysiology