Once you remove a photo from your Photo Stream, it instantly gets deleted from all your other devices that are logged into the same iCloud account. To delete Photo Stream photos from your iOS devices running iOS 5.1 follow these steps: 1  Open the Photo Stream folder on your iPhone, iPad, or iPod touch from the Photos app.
By preventing the blood clots that trigger heart attack and stroke, the anticoagulant drug warfarin (CoumadinÂ®) saves countless lives. Doctors must regularly monitor patientsâ blood levels in order to prescribe a high enough dose of warfarin to prevent deadly blood clots, but not an excessive dose that could lead to fatal hemorrhage.
Warfarin is important in preventing the formation of blood clots, preventing extension of clots already formed, and minimizing the risk of embolization of blood clots to other vital organs such as the lungs and brain.The FDA approved warfarin in June 1954.hese clots can break off and become lodged in the blood vessels of the lung (pulmonary embolism), causing shortness of breath, chest pain, and even life-threatening shock. Blood clots can also occur in the atria of the heart during atrial fibrillation and around artificial heart valves.