78 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR ... electrocardiogram (ECG ... 'dropped' QRS complex ... the dropped QRS complex ... , the PR interval
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR ... electrocardiogram (ECG ... 'dropped' QRS complex ... the dropped QRS complex ... , the PR interval
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Block type II (aka Mobitz ... There is constant PR ... • The QRS complex ... diagnosis #cardiology #ecg ... #Mobitz2
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
characterized on a surface ECG ... not preceded by PR ... not followed by PR ... conducted QRS complex ... Cardiology #MedStudent #EKG
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Degree Heart Block, Mobitz ... waves and QRS complexes ... • PR interval ... the AV node #Mobitz ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Degree Heart Block, Mobitz ... normal • QRS complexes ... branch block • PR ... His-Purkinje system #Mobitz ... #ECG #Electrocardiogram
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
delta wave, short PR ... upstroke of QRS complex ... ) 2 Wide QRS complex ... interval (PR < ... WPW #Cardiology #ECG
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... (PAC) - ECG Recognition ... PAC will have a PR ... premature junctional complex ... #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Treatment 2nd Degree, Mobitz ... . 2nd Degree, Mobitz ... Pacemaker 3rd Degree, Complete ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR ... preceding each QRS complex ... Degree AV Block - Mobitz ... with progressive PR ... heartblock #cardiology #ecg