13 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... activation from ... SVT (e.g., junctional ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
and originates from ... flutter from the ... flutter originates from ... #Diagnosis #ECG ... #EKG #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 ... #AVNRT #PhysicalExam ... #JVP #Cardiology ... #Neck #Frog #Sign
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... junctional tachy not from ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... /Fibrillary = afib ... Electrocardiogram #cardiology ... #diagnosis #system
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
a patient with Atrial ... #Fibrillation #Neck ... Clinical #Video #AFib ... #PhysicalExam # ... Cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
., A-Fib also a ... result of atrial ... • Dominant R Wave ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
threatening T wave ... as they result from ... Serial EKGS in pts ... Wellens #Sign #EKG ... #Diagnosis #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... injury from pericardial ... : Differential diagnosis ... #ekg #differential ... #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
your R is far from ... 200 msec) • P wave ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis