615 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... PR shorted after ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... There is constant PR ... • The PR interval ... ecg #diagnosis #electrocardiogram ... #classification
Knuckle Sign on ECG - Acute Pericarditis

Electrocardiogram of a 68-year-old woman two days after coronary artery
Pericarditis Electrocardiogram ... is evidence for PR ... II and aVL, and PR ... Pericarditis #ECG #EKG #Electrocardiogram
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
delta wave, short PR ... msec) 3 Short PR ... interval (PR < ... Cardiology #ECG #EKG #Electrocardiogram
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... rate and prolongs PR ... rate and prolongs PR ... VaughanWilliams #Classification
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
elevation (<5mm) and PR ... depression and PR ... Pericarditis #EKG #ECG #electrocardiogram
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
PR interval ... Cardiology #EKG #ECG #Electrocardiogram
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR ... interval on the electrocardiogram ... QRS complex, the PR
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
ventricle), Intervals (PR ... Cheatsheet #Cribsheet #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
branch block • PR ... Cardiology #EKG #ECG #Electrocardiogram