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The Pulmonary Artery

The pulmonary artery is one of the two blood vessels which are formed as the terminal branches of the pulmonary trunk and move blood without oxygen in it from the blood to the lungs via the heart. The two pulmonary arteries differ in both length and anatomy.

The pulmonary arteries carry blood from the heart to the lungs. They are the only arteries, not including umbilical arteries in a fetus, in the entire body that carry deoxygenated blood. In the human heart, the pulmonary trunk, made up of the pulmonary artery or main pulmonary artery, begins at the base of the right ventricle. It is short and wide, roughly 2 inches in length and 1.2 inches in diameter. After leaving the right ventricle, the pulmonary artery splits into two pieces. These deliver deoxygenated blood to the corresponding lung.

The right pulmonary artery is the longer of the two. It passes transversely across the midline of the upper chest. It then passes below the aortic arch and enters the hilum of the right lung as part of its root.

The left pulmonary artery is shorter than the right pulmonary artery. It pierces the pericardium (the sac around the heart) and enters the hilum of the left lung.

One of the biggest health problems affecting the pulmonary artery is pulmonary hypertension. Pulmonary hypertension occurs alone and as a consequence or symptom of a number of lung diseases. It can be a consequence of heart disease but also a cause of right-ventricular heart failure. It is also a consequence of pulmonary embolism and scleroderma. It is characterized by reduced exercise tolerance. Severe forms have a dismal prognosis.

Contact a Medtronic Lawsuit Attorney

If you have been given a Medtronic ICD with SprintFidelis leads, contact the Medtronic lawsuit lawyers of Williams Kherkher at 800-761-3187 to discuss your ICD and to determine your legal options.