6 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #Neck #Frog #Sign
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... AVNRT on Neck Physical ... a waves in AVNRT ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... symmetrical T-waves ... indistinguishable from ... #EKG #diagnosis ... #differential #
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
atrial injury from ... diagnosis includes ... overdose: Prominent R wave ... prominent terminal R wave ... #ekg #differential
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- hyperacute T waves ... than QRS - deWinter ... T waves - starts ... #EKG #diagnosis ... Interpretation #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Narrow - Regular ... junctional tachy not from ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology #differential