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Diagnosing ARVD/C
Diagnosis of Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy
Investigations include:
- An electrical tracing of the heart (electrocardiogram)
- An ultrasound (or echocardiogram)
- An exercise test on a treadmill or bike
- A magnetic resonance imaging scan (MRI)
Also, two longer kinds of heart rhythm monitor are used. On or before the first visit, a family pedigree is drawn.
Diagnosis is made through several testing criteria:
- Abnormalities on ECG, including precordial T-wave inversions, epsilon waves, frequent PVCs originating from the right ventricle
- Abnormalities in the structure of the right ventricle. These can be seen with an echocardiogram, heart MRI, or invasive dye injection
- An abnormal signal-averaged ECG
- Specialized testing, immunohistochemical staining, may become more widely utilized
- Genetic testing is available, but is not sensitive enough to be used as a screening test. However, it may be useful in certain circumstances, particularly to screen family members of patients with the disease