203 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... #HeartBlocks #Types ... #Classification ... summary #Diagnosis #EKG ... electrocardiogram #ecg
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 ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... , Mobitz Type II ... • PR intervals ... system #Mobitz #Type2 ... #ECG #Electrocardiogram
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
negativity (25% of cases ... inverted (75% of cases ... Diagnosis #Cardiology #ECG ... #EKG #Wellens # ... #TypeB
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... AV block, also ... prolongation of the PR ... electrocardiogram (ECG ... QRS complex, the PR
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... type II (aka Mobitz ... There is constant PR ... TypeII #MobitzII #Type2 ... diagnosis #cardiology #ecg
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... AV block, also ... prolongation of the PR ... electrocardiogram (ECG ... QRS complex, the PR
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR ... - Mobitz Type 1 ... - Mobitz Type 2 ... have a Mobitz Type ... heartblock #cardiology #ecg
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... • PR interval ... Type I aka Mobitz ... type II (aka Mobitz ... electrocardiogram #classification