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.
Heat oil in skillet on high heat. Add meat...sear until golden brown. Arrange half the sliced onion rings in a 13 by 9, or larger, baking pan lined with foil. Add the seared meat then top with remaining onion rings. Cover tightly and bake in preheated 325 degree oven for 2 hours and 15 minutes.Remove roast from oven and add prepared vegetables. Bake vegetables and meat together for 1 more hour. Allow chuck roast and vegetable to set for 10-15 minutes before serving.TIPS: Use leftover roast to make soups or sandwiches.emove roast from oven and add prepared vegetables. Bake vegetables and meat together for 1 more hour. Allow chuck roast and vegetable to set for 10-15 minutes before serving. TIPS: Use leftover roast to make soups or sandwiches.