Absent pulmonary uptake on Tc-99m-MAA perfusion lung scan
due to severe right to left shunt.
Perfusion lung scan showed massive left PE and ultrasound of the limbs confirmed deep venous thrombosis.
She developed clinical symptoms suggestive of acute PE which was confirmed with a perfusion lung scan. The patient was admitted in the ICU.
MacMahon, "Perfusion lung scan
in superior vena cava obstruction: demonstration of venous collaterals and systemic-pulmonary venous shunt," American Journal of Roentgenology, vol.
Tests ordered, included chest x-ray, EKG, blood analyses, and a ventilation perfusion lung scan
. The lung scan took "a little over an hour." Lab tests revealed an elevated white count.
A perfusion lung scan
shows the pattern of blood flow in the lungs; it can also tell the doctor whether a patient has large blood clots in the lungs.
(22.) Fishman AJ, Moser KM, Fedullo PF Perfusion lung scans vs pulmonary angiography in evaluation of suspected primary pulmonary hypertension.
"High probability" perfusion lung scans in pulmonary veno-occlusive disease.