1086 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... originating the low atrium ... PAC will have a PR ... PACs #premature #atrial
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... with varying PP, PR ... MAT #Multifocal #Atrial
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Elevation of PR ... depression of PR ... leads indicates atrial ... normalization of ST and PR
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... PR longest before ... PR shorted after ... P and QRS • Atrial
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... delta wave, short PR ... msec) 3 Short PR ... interval (PR <
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
Ectopic atrial rhythm ... • The atrial ... • PR interval ... if the ectopic atrial ... #Ectopic #atrial
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
PR interval < ... origin within the atria ... (e.g. ectopic atrial ... Morphology = multifocal atrial ... • Saw-Tooth = Atrial
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
, Hypertrophy (atrial ... ventricle), Intervals (PR
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... block 1º - long PR ... successively longer PR
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Pericarditis: PR ... elevation in aVR • PR ... Subepicardial atrial ... - Concurrent PR ... : AVNRT, AVRT, atrial