13 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... 'dropped' QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... 'dropped' QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... waves and QRS complexes ... beating" • The block ... #Cardiology #EKG ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... normal • QRS complexes ... bundle branch block ... #Cardiology #EKG ... #ECG #Electrocardiogram
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
on a surface ECG ... conducted QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzII
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... complex) is dropped ... Third Degree" • Complete ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... • The QRS complex ... aka Complete Heart ... #AVBlock #cardiology ... #ekg #ecg #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
I Heart Block ( ... Pacemaker 3rd Degree, Complete ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Complexes (PVC's ... Bundle branch block ... 300 = NSVT EKG ... #Complexes #PVCs ... cardiology