Clinical significance and management of subsegmental pulmonary embolism

Computed tomographic pulmonary angiography (CTPA) has a high sensitivity for diagnosing filling defects in subsegmental pulmonary arteries. The adoption of CTPA as the prefered diagnostic modality for the diagnosis of pulmonary embolism (PE) has led to an increased rate of PE diagnosis. However, the case fatality rate is lower and the mortality rate of PE has remained unchanged despite this rise in PE diagnosis suggesting that the disease is of …