12 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... against a closed tricuspid ... • The cannon a wave ... activation from ... 2LmUODZ #Cannon #AWaves
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
through the cavo-tricuspid ... negatively-directed flutter waves ... positively-directed flutter waves ... to the flutter waves ... #EKG #Cardiology
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
obscenely huge waves ... it giant A or V wave ... #Atrial #Fibrillation ... JVP #Clinical #Video ... #PhysicalExam #Cardiology
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
despite hx HTN) EKG ... pseudoinfarct pattern (Q-waves ... precordial leads) - atrial ... fibrillation - ... #Symptoms #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #Neck #Frog #Sign
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
ventricle (RV), tricuspid ... cardiopulmonary status ... fibrillation/flutter ... (↓ RV filling from ... Interpretation #Diagnosis #Cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... cardiac glycoside from ... fibrillation and ... or biphasic T waves ... #Cardiology #Digitalis
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wave Inversion ... threatening T wave ... angina; but T wave ... as they result from ... Serial EKGS in pts
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... indistinguishable from ... #EKG #diagnosis ... #differential #cardiology
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 #cardiology