5918 results
Limb Lead Reversal
In order to understand why the leads look the way they do, we must
As for the aVL/aVF ... remember that aVL ... /aVF/aVR are all ... should help: #Diagnosis ... #aVR #aVF
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Sinus Rhythm - ECG Diagnosis ... leads I, II and aVF ... • inverted in aVR ... leads III and aVL ... nsr #cardiology #diagnosis
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
in leads I and aVL ... leads II, Ill, aVF ... Fascicular #Block #diagnosis
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
in II, Ill and aVF ... complexes #cardiology #diagnosis
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
is positive in aVR ... negative in I + aVF ... (> 160ms) - AV ... ekg #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... Arrhythmia #cardiology #diagnosis
Progression of EKG changes in Acute Coronary Syndrome (ACS)
Hyperacute T waves:
 • Broad-based and symmetrical, usually
normally inverted in aVR ... In leads l, I, aVL ... , aVF, or V4-V6 ... #Progression #diagnosis
Phasic Sinus Arrhythmia - ECG Diagnosis
 • The rate increases with respiration and decreases with expiration.
Arrhythmia - ECG Diagnosis ... increases (II, Ill and aVF ... Arrhythmia #cardiology #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... • Lateral (I + aVL ... Inferior (II, III, aVF ... all leads except aVR ... Electrocardiogram #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... Arrhythmia #cardiology #diagnosis