Dr. Orvalho’s expertise includes non-invasive techniques such as echocardiography and electrocardiography
Echocardiography : 2D, color Doppler, spectral Doppler, tissue Doppler, transesophageal and live 3-D echocardiography
Electrocardiography: digital 12 lead electrocardiograms, Holter (24hr ambulatory) monitors, and event monitors
Digital radiography and fluoroscopy
Blood pressure measurement: indirect (Doppler and oscillometry) and direct methods
Angiography: selective and non-selective angiograms
Pacemaker implantation: single and dual-chamber pacing
PDA occlusion: PDA coil embolization, vascular plugs and Amplatz Canine Ductal Occluders (ACDO)
Balloon valvuloplasty: pulmonic, tricuspid and mitral valve stenosis, as well as ballooning of other congenital cardiac defects
Live 3-D Echocardiography
Live three-dimensional echocardiography is a new ultrasound modality that allows better imaging of the cardiac structures and provides a more sophisticated method of quantifying cardiac function in humans. It promises to be beneficial in the diagnosis and treatment of cardiac diseases in animal patients.
Transesophageal echocardiography is an imaging technique that uses a special ultrasound probe that is placed in the esophagus. It provides a more detailed image of cardiac structures and is especially useful when performing interventional cardiac procedures such as patent ductus arteriosus (PDA) occlusion and balloon valvuloplasty.