Final answer:
The M-mode and two-dimensional echocardiographic findings for chronic tricuspid regurgitation include a protected right ventricle and right ventricular hypertrophy.
Step-by-step explanation:
The M-mode and two-dimensional echocardiographic findings for chronic tricuspid regurgitation include:
- Protected right ventricle
- Right ventricular hypertrophy
Chronic tricuspid regurgitation is a condition where the tricuspid valve in the heart leaks, causing blood to flow backwards from the right ventricle into the right atrium. This can lead to right ventricular hypertrophy, which is the enlargement and thickening of the right ventricle. The right ventricle may be protected from damage by this hypertrophy, as it allows the ventricle to pump blood effectively despite the regurgitation.