6 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
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
the atria and ventricles ... excludes other differentials ... that’s called “clinical ... Hussainch #Cannon #Awaves ... #JVP #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... tachycardia ddx: AVNRT ... , AVRT, atrial tachycardia ... #differential # ... 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
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