121 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Complete Heart Block ... • Block in AV ... degrees #summary #Diagnosis
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... There is constant PR ... location of the block ... location of the block ... Second #Degree #AVBlock
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
First Degree AV Block ... with prolonged PR ... progressively prolonged PR ... with progressive PR ... cardiology #ecg #ekg #diagnosis
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... • PR interval ... There is constant PR ... #AVBlock #cardiology ... #ekg #ecg #diagnosis
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... bundle branch block ... • PR intervals ... beats • The block ... SecondDegree #HeartBlock #Diagnosis
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... • PR interval ... beating" • The block ... SecondDegree #HeartBlock #Diagnosis
Having a Mental Block remembering HeartBlocks? Check out this fun poem/infographic from @nurseslabs!
#Diagnosis #Cardiology #EKG #ECG
Having a Mental Block ... #Diagnosis #Cardiology ... ECG #Mnemonic #AVBlock
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
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... Advanced 2nd degree block ... or 3rd degree block ... Tri-fascicular block ... arrest, prolonged PR
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... node.Mobitz I heart block ... prolongation of the PR ... QRS complex, the PR