Martin P. Jacobs, MD
To the Editors: Hull and Raskob (1) state that interpreting a ventilation-perfusion scan pattern as low probability ". . . is no longer clinically correct. . . ." They agree with Moser (2) that such scans should be interpreted as nondiagnostic (with normal or high probability being the only other interpretive options). Rather than improve patient care, this approach would markedly diminish the usefulness of ventilation-perfusion scans and would subject an unnecessarily high proportion of patients to pulmonary angiography.
Other investigators have shown that death or morbidity from pulmonary emboli is very infrequent in patients with low-probability ventilation-perfusion scan patterns
Jacobs MP. "Low-Probability" Ventilation-Perfusion Scans. Ann Intern Med. ;114:604–605. doi: 10.7326/0003-4819-114-7-604
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Published: Ann Intern Med. 1991;114(7):604-605.
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