For the past 4 decades, ventilation–perfusion (V/Q) scan interpretation for pulmonary
embolism (PE) was performed using probability-based assessments, which were neither well-…

The evaluation for pulmonary embolism in the emergency setting has many challenges.
Patients often present with symptoms that are nonspecific. Emergency Department physicians …

Single-photon emission computed tomography (SPECT) has been a significant advancement
in scintigraphy, impacting many areas of diagnosis. It has begun to find use in ventilation-…

HE study of race relations and of national and religious minorities has largely focused upon
dominant group prejudice against minorities. This interest is illustrated by the development …

This is a case of a 4-year-old female child with gross left lower extremity deformity detected
at birth, including a giant cutaneous hemangioma from flank to foot. She was found to have …

γ-cameras use flood-field corrections to ensure image uniformity during clinical imaging. A
loss or corruption of the correction data of one head of a dual-head camera can result in an off…

The management of vascular trauma, and in particular injury to abdominal vessels, has
changed dramatically in the United States over the last 15 years. Advances in interventional and …

The Coast Guard is facing a shortage of entry-level Aviation Survival Technicians, more
commonly known as helicopter rescue swimmers, due to high attrition from the training pipeline. …

A 54-year-old man presented with left-sided weakness and altered mental status. CT
demonstrated a large acute right middle cerebral arterial infarct with midline shift and uncal …

In response to stress and extracellular signals, the heart undergoes a process called cardiac
hypertrophy during which cardiomyocytes increase in size. If untreated, cardiac hypertrophy …