16 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
, it indicates AV ... activation from ... SVT (e.g., junctional ... #diagnosis #cardiology ... #CVP
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
flutter from the ... from the left atrium ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... cardiac glycoside from ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... tachy not from ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... are enough to diagnose ... #PhysicalExam #JVP ... #Cardiology #Neck
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... @AmyChung #EKG ... #ECG #Electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... the presence of AV ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
Interpretation ... fibrillation/flutter ... systole). ↑ in TR from ... (↓ RV filling from ... #Diagnosis #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... the presence of AV ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
your R is far from ... independently of the atria ... dissociation and ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis