44 results
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... There is constant PR ... Second #Degree #AVBlock ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... PR shorted after ... 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 ... • PR interval ... beating" • The block ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... bundle branch block ... • PR intervals ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... prolongation of the PR ... electrocardiogram (ECG ... QRS complex, the PR ... Cardiology #MedStudent #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... prolongation of the PR ... electrocardiogram (ECG ... QRS complex, the PR ... Cardiology #MedStudent #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • PR interval < ... Atrial Flutter PR ... - PR >200ms ... @AmyChung #EKG
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup ... Algorithm History ... : • EKG • Bedside ... Pain #Diagnosis #Algorithm ... #workup
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... 1º - long PR intervals ... successively longer PR ... bradyarrhythmia #ECG ... #EKG #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR ... progressively prolonged PR ... with progressive PR ... heartblock #cardiology #ecg ... #ekg #diagnosis