In the case of hematochezia, the blood may coat the stool, be mixed in with the stool, or even be passed by itself without any stool at all. Potential causes of black colored stools include: acidified blood (blood from higher in the digestive tract)
The most common symptoms of a meniscus tear are: 1  Knee pain. 2  Swelling of the knee. 3  Tenderness when pressing on the meniscus.  Popping or clicking within the 1  knee. Limited motion of the knee joint.
LCL Knee Ligament Injury Signs & Symptoms With a first degree sprain of the Lateral ligament there will be pain when the site of the damage is touched. Stressing the ligament (when the knee is slightly bent and the shin is moved inwards in relation to the thigh) is painful - this action is reproduced when standing up from sitting in a chair.