BACKGROUND The Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED)
addressed the value of ventilation/perfusion scans in acute pulmonary embolism (PE). The …

PURPOSE: To determine the sensitivity, specificity, and positive and negative predictive values
of chest radiographic findings in patients suspected of having acute pulmonary embolism …

In 1912, Klippel and Feil described a mas-sive fusion of cervical vertebrae in the short neck
of a French tailor, dead of renal disease (34). During the following seven years, Feil collected …

The clinical features and noninvasive tests, including ventilation perfusion (V/Q) lung scans,
were assessed in 108 patients with chronic obstructive pulmonary disease (COPD) …

A retrospective roentgenographic analysis was made of 162 patients with a tissue diagnosis
of sarcoidosis. 1. Abnormal chest roentgenograms were noted in over 90 per cent of the …

A nuclear magnetic resonance (NMR) imaging system is described, and preliminary results
from its clinical use are presented. The properties and detection of the magnetisation due to …

In an effort to determine the sensitivity and specificity of the chest roentgenogram for the
diagnosis of pulmonary embolism, roentgenograms of 152 patients who were all suspected of …

This report has discussed the use of an angiographic severity index for pulmonary embolism
in the analysis of pulmonary angiograms from 160 patients admitted to the Urokinase-…

Posterior fossa scans were performed on five healthy volunteers using a nuclear magnetic
resonance (NMR) machine constructed by Thorn-EMI Ltd. Three different NMR scanning …

Seven case reports exemplify various cardiac and pulmonary disorders which produce
diminished, delayed, or absent filling of pulmonary arteries in a portion of the lung. These …