Definition. Pulmonary hypertension is a rare lung disorder characterized by increased pressure in the pulmonary artery. The pulmonary artery carries oxygen-poor blood from the lower chamber on the right side of the heart (right ventricle) to the lungs where it picks up oxygen.ulmonary hypertension is present when the blood pressure in the circulation of the lungs is measured at greater than 25 mm of mercury (Hg) at rest or 30 mm Hg during exercise. Pulmonary hypertension can be either primary or secondary: 1  Primary pulmonary hypertension. 2  The cause of pulmonary hypertension is unknown.
Serve gravy with the meat and the vegetables. How to Make a Pot Roast -- Oven Directions. Preheat the oven to 325 degrees F. Prepare as directed above, except in Step 3, bake pot roast, covered, for 1 hour.Add the vegetables and potatoes as directed. Cover and bake 45 to 60 minutes more or until the meat is tender.Prepare the gravy in a saucepan as directed in Step 7.erve gravy with the meat and the vegetables. How to Make a Pot Roast -- Oven Directions. Preheat the oven to 325 degrees F. Prepare as directed above, except in Step 3, bake pot roast, covered, for 1 hour.
Defrost. Place, fat side UP, in a roasting pan at least 1 inch deep that's at least big enough to hold the roast with some space on all sides. Set your oven to 325 degrees & p â¦ re heat. Sprinkle on some garlic powder and herbs or bbq sauce or whatever you want on it. Put in middle rack of the oven for about 2 hours.If you have a meat thermometer the very center of the roast should be 160 degrees.Once it's done, let it sit on the counter for about 5 minutes before you cut it.    Also, you can cut up potatoes and carrots and onions to do with your roast.ut in middle rack of the oven for about 2 hours. If you have a meat thermometer the very center of the roast should be 160 degrees. Once it's done, let it sit on the counter for about 5 minutes before you cut it.    Also, you can cut up potatoes and carrots and onions to do with your roast.