5 results
Negative contrast effect = a washout of the contrast (agitated saline) in the right atrium in
Negative contrast ... ) in the right atrium ... atrial #septal # ... defect #a4c #Echocardiogram ... #clinical #cardiology
Atrial septal defect

An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of
Atrial septal defect ... apex of the R wave ... #EKG #Cardiology ... #Crochetage #Sign ... #ASD
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... excludes other differentials ... that’s called “clinical ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
lead used to detect ... waves when atrial ... flutter is suspected clinically ... , based on signs ... #Cardiology #EKG
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Atrium - Differential ... Small secundum ASD ... #Diagnosis #cardiology ... #clinical #echocardiogram ... #s4c #pocus #bubble