A pulmonary embolus can cause

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A pulmonary embolus occurs when a blood clot becomes lodged in a pulmonary artery, blocking blood flow to part of the lung. This can cause severe respiratory problems, such as shortness of breath, chest pain, and coughing, and can even lead to death in some cases. A thrombus (choice A) is a blood clot that forms in a blood vessel, which can be a precursor to a pulmonary embolus. Pneumonia (choice B) is an infection of the lungs that can cause symptoms similar to a pulmonary embolus, but it is not directly caused by a blood clot. Urinary tract infection (choice C) is not related to the respiratory system and is not a complication of a pulmonary embolus.

A Pulmonary Embolus Can Cause