8 results
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... s the clinical sign ... a waves in AVNRT ... #AWaves #AVNRT ... #JVP #Cardiology
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 ... a waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually ... atrial activation from ... SVT (e.g., junctional ... #AWaves #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
atrial injury from ... overdose: Prominent R wave ... prominent terminal R wave ... ) from supraventricular ... #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... from ST-segment ... differential #cardiology #electrocardiogram
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
distinguishing QRS from ... T wave in some ... consistent with SVT ... @EM_RESUS #AVRT ... #ECG #Electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
- The distance from ... nadir of the S-wave ... nadir of the S-wave ... #ekg #cardiology ... #diagnosis #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... - hyperacute T waves ... bigger than QRS - deWinter ... T waves - starts ... #electrocardiogram