Single Center Post-Market Study of Thrombolytic Therapy Using the Versus™ Catheter

Inclusion Criteria: * Patients 18 - 80 years, inclusive * Patients who present with submassive pulmonary embolism (PE) * Patients requiring thrombolytic intervention to the pulmonary vasculature * Physician decision to use the Versus™ Catheter during the treatment of the patient Exclusion Criteria: * Concurrent treatment with thrombectomy * Concurrent treatment with a catheter-directed thrombolysis device that is NOT the Versus™ Catheter * Massive pulmonary embolism (PE) * Active bleeding disorder1 * Recent cerebrovascular accident or transient ischemic attack1 * Recent neurosurgery1 * Recent intracranial trauma1 * Absolute contraindication to anticoagulation1 * BMI \> 45kg/m2 * In the opinion of the investigator, the participant is not a suitable candidate for the study