How Does a VQ Scan Work? The VQ scan is a nuclear scan. It measures airflow, called ventilation, and blood flow, called perfusion, in your lungs. The V and Q make up a math equation that helps doctors ...

VIENNA — Some patients who had mild COVID-19 infection during the first wave of the pandemic and continued to experience postinfection symptoms for at least 12 months after infection present abnormal ...

Chicago, IL - Pulmonary vein (PV) stenosis following radiofrequency ablation to treat refractory atrial fibrillation is the Achilles heel of this strategy, and experts say the complication is creating ...

Chronic thromboembolic pulmonary hypertension (CTEPH) is the end result of persistent obstruction of the pulmonary arteries by acute or recurrent pulmonary emboli. In the era of successful surgical ...