What does meningeal irritation indicate?

Meningeal irritation sign positive hint has the pia mater and arachnoid inflammation, or subarachnoid hemorrhage and other diseases. The pia mater and arachnoid inflammation, or subarachnoid hemorrhage, can make the spinal nerve root is stimulated, causing the dominant muscle reflex spasm, thus producing a series of positive signs, called meningeal irritation sign positive. Meningeal irritation sign positive, including neck rigidity, Klinefelter sign positive and Bruch sign positive. Neck rigidity examination requires the patient to lie on his back, both lower limbs straight, the examiner gently supports the patient's occipital part, so that his head bends forward, such as neck resistance, chin can not touch the sternum handle, indicating the existence of neck rigidity. Klinefelter's sign refers to the patient lying on his back, the examiner holds up one side of the patient's thigh, so that the hip knee joint flexes to 90 degrees, if the angle between the thigh and the calf is less than 135 degrees, resistance will occur, accompanied by pain, which is positive. Bruch's sign examination is the same as the examination of neck rigidity. A positive result of the patient may show involuntary flexion of the bilateral hip joints.