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 vagus, the phrenic, and the spinal nerves may also be pressed upon. Manual of Surgery Alexis Thomson and Alexander Miles The symptoms are mainly those of peripheral neuritis with special implication of the phrenic and the pneumogastric nerves. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 6 Various. The phrenic arteries, two in number, pass to supply the under surface of the diaphragm. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 Various Care must be taken not to injure the important nerves, particularly the accessory, the vagus, and the phrenic.