Telecom consolidation is driven largely by the need for scale efficiencies, made more urgent as telecom players increasingly compete on price. Size and scale give telecom companies a larger geographic coverage plus expanded offerings, which can serve to hedge against a downturn in any specific service segment.
A neck injury may cause damage to the phrenic nerve. Symptoms of a phrenic nerve injury may include difficulty breathing. A pacemaker may be surgically implanted into an individual that has difficulty breathing due to phrenic nerve damage. Physical trauma is the most common cause of damage to phrenic nerves.
The symptoms of vagus nerve dysfunction vary depending on whether the vagus nerve is overactive or underactive. One of the most common symptoms of vagus nerve dysfunction is pain. Pain is often accompanied by muscle cramps on moving. This pain can be so severe as to interfere with walking.