19 results
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... in aVR Poor R wave ... • Lateral (I + aVL ... #diagnosis #system
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... ., junctional rhythm ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- hyperacute T waves ... - deWinter T waves ... stenosis - U wave ... inversion in avL ... #ECG #EKG #diagnosis
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
compared with the P wave ... • P wave morphology ... • Inverted P waves ... #rhythm #cardiology ... #diagnosis #ekg
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... of the leads l, aVL ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
• Variable P wave ... • Some P waves ... #cardiology #diagnosis ... #ekg #electrocardiogram ... #clinical #comparison
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
leads indicates atrial ... 3 - diffuse T wave ... be present in all ... becomes normal OR T waves ... indefinitely inverted #Diagnosis
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
- ECG Diagnosis ... recognized by the P wave ... • inverted in aVR ... leads III and aVL ... #diagnosis #ekg
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... predictor of recurrent ischemic ... overdose: Prominent R wave ... prominent terminal R wave ... #cardiology
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
Reciprocal STD in I & aVL ... Biphasic T-wave ... in aVL 5. ... Q-wave in III, early ... #EKG #STEMI #InferoPosterior