Howard B. Schaff MD


PET Scanner

Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. During the test, the tracer liquid is put into a vein in your arm. The tracer moves through your body, where much of it collects in the specific organ or tissues. The tracer…

Angiogram

An angiogram is an X-ray test that uses a special dye and camera ( fluoroscopy ) to take pictures of the blood flow in an artery (such as the aorta ) or a vein (such as the vena cava). An angiogram can be used to look at the arteries or veins in the head, arms, legs, chest, back, or belly. Common angiograms can look at…

Doppler Ultrasound

A Doppler ultrasound (or duplex scanning) is a medical test that uses reflected sound waves to estimate the speed and direction of blood as it flows through a blood vessel. It helps doctors evaluate blood flow through arteries and veins. Doppler ultrasound can be used to evaluate the vessels in several areas of the…

Angiogram

Courtesy of Intermountain Medical Imaging, Boise, Idaho. All rights reserved. An angiogram is an X-ray test done to take pictures of the blood flow in an artery or vein. During the test, you lie on a table and a dye is injected into a blood vessel in the groin or elbow. A special camera takes pictures of the dye as it…

CT Scan of the Facial Bones

Courtesy of Intermountain Medical Imaging, Boise, Idaho. This is a three-dimensional (3-D) model made from a CT scan showing a broken (fractured) cheekbone that extends into the gum of the mouth.