Howard B. Schaff MD


Radiografía de un pecho normal

Cortesía de Intermountain Medical Imaging, Boise, Idaho. Esta es una imagen de una radiografía de pecho (tórax) normal de una mujer, que muestra los espacios llenos de aire de los pulmones y la forma gris más sólida del corazón. Los pulmones y el corazón son de tamaño y forma normales.

Doppler Ultrasound

A Doppler ultrasound test uses reflected sound waves to see how blood flows through a blood vessel. It helps doctors assess the blood flow through major arteries and veins, such as those of the arms, legs, and neck. It can show blocked or reduced flow of blood through narrow areas in the major arteries of the neck. This…

Magnetic Resonance Imaging (MRI) Machine

Courtesy of Intermountain Medical Imaging, Boise, Idaho. Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to make pictures of organs and structures that are inside the body. During the MRI test (also called an MRI scan), you usually lie on your back on a table that is…

Myelogram

A myelogram uses X-rays (fluoroscopy) and a special dye called contrast material to make pictures of bones and nerves of the spine (spinal canal). The spinal canal contains the spinal cord and nerve roots surrounded by a fluid-filled space called the subarachnoid space. For a myelogram, the dye (which contains iodine)…

PET Scan

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 a PET scan, the tracer is typically injected into a vein (usually in the arm), but sometimes it may be inhaled. The tracer usually is a special form of a substance…