Bleeding in the upper digestive tract (oesophagus, stomach) tends to cause black, tarry stools as the blood is digested for longer than bleeding from the colon, rectum or around the anus which tends to produce red stools or fresh, bright red blood in the stool. Changes in diet (intake of fibre, fluids)
The list of signs and symptoms mentioned in various sources for Decompression sickness includes the 22 symptoms listed below: 1  Joint pains. 2  Headache. 3  Dizziness. 4  Chest pain. 5  Abdominal pain.6  Breathing difficulty. 7  Unconsciousness. 8  Abnormal sensations.eview the available symptom checkers for these symptoms of Decompression sickness: 1  Headache -- Symptom Checker. 2  Abdominal pain -- Symptom Checker. 3  Breathing difficulty -- Symptom Checker.
The bends is also called decompression sickness or caisson * sickness. When a person is scuba diving, the water pressure increases with depth. As depth increases, the pressure of the air breathed also must increase. This causes more of the air to dissolve in the bloodstream.