1 Chair knee extension: Sitting in a chair, rest your foot on another chair so the knee is slightly raised. 2  Gently push the raised knee toward the floor using only leg muscles. 3  Hold for 5 - 10 seconds and release. 4  Repeat 5 times on each leg.
Hematemesis in Cats. Hematemesis, or the vomiting of blood, can affect a wide range of systems, depending on the source. The gastrointestinal system may be affected due to trauma, ulcer, inflammation, or the presence of a foreign object.
Causes of Hemoptysis. There are many potential reasons for coughing up blood. Causes for coughing blood include: Bronchitis (acute or chronic), the most common cause of coughing up blood. Hemoptysis due to bronchitis is rarely life-threatening.