44 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... dissociation • The cannon ... activation from SVT (e.g ... #AWaves #diagnosis ... #cardiology #CVP
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Isoelectric segment with positive ... Inferior leads: "Positive ... Flutter #aflutter #ecg ... #cardiology #clinical ... #diagnosis #comparison
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Diagnosis Normal ... ECG Recognition: ... often biphasic (positive-negative ... SinusRhythm #nsr #cardiology ... #diagnosis #ekg
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... stage 1 - diffuse, positive ... patients) stage 4 - ECG ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... • History of BCG ... immunocompromised (e.g ... negative NAAT result cannot ... #Workup #TB #Latent
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
axis swings from positive ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
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 ... regular rapid cannon ... are enough to diagnose ... PhysicalExam #JVP #Cardiology
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
Osborn waves - positive ... This EKG was recorded ... #EKG #EmergencyMedicine ... #Cardiology #diagnosis ... Electrocardiogram #ECG
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(i.e. entirely positive ... axis") — QRS is positive ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology ... #diagnosis #electrocardiogram
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
This appears as positively-directed ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology