If you’re a pilot, flight attendant or astronaut, you may benefit from consulting with an aerospace medical physician. They specialize in health risks and conditions associated with traveling into abnormal air and space environments, usually caused by pressure and altitude changes or reduced oxygen levels. This includes hypoxia, ebullism and hypobaria.Other areas of expertise include jet lag, dehydration and your body’s response to thermal stress, which can influence your decision making ability. More serious conditions might include G-induced loss of consciousness (known as G-LOC), spatial disorientation and space adaptation syndrome, a sickness common when your body is adjusting to weightlessness.

An emergency physician is a doctor who is an expert in handling conditions of an urgent and extremely dangerous nature. These specialists work in the emergency room (ER) departments of hospitals where they oversee cases involving cardiac distress, trauma, fractures, lacerations and other acute conditions.Emergency physicians are specially trained to make urgent life-saving decisions to treat patients during an emergency medical crisis. These doctors diagnose and stabilize patients before they are either well enough to be discharged, or transferred to the appropriate department for long-term care.

Hand surgeons are certified surgeons who are also experts in the function and structure of your wrists, hands and forearms. This allows them to treat arthritis, carpal tunnel, trigger finger and tennis elbow, most of which tend to result from repetitive and excessive use of the corresponding joints, muscles, tendons and ligaments. Hand surgeons also commonly work with patients who have fractures or broken bones from any kind of accident. If you're experiencing any kind of general pain in your hand, wrist or forearm that isn't going away, a hand surgeon is probably your best resource.

An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.These doctors are often who adults see as their primary physicians because they treat a broad range of illnesses that do not require surgical or specialist interventions. They also work to help a patient maintain optimal health in order to prevent the onset of disease.In addition to treating the common cold and flu, internists also treat chronic diseases like diabetes and heart disease.

Orthopedic reconstructive surgeons deal with injuries and deformities of your bones and muscles. If you ever need a hip, knee or shoulder replacement — whether due to a sports injury or aging — an orthopedic surgeon will consult with you and answer any questions you have before scheduling an operation. After surgery, you’ll have a few checkups to ensure everything heals properly. In addition to shoulders, hips and knees, they deal with injuries everywhere from your ankles and feet to your elbows and hands — and even your spine. They also help treat birth defects related to bones and muscles as well as degenerative conditions like osteoporosis and muscular dystrophy.

If you have a back injury or unexplained back pain, your doctor might refer you first to a radiologist and then to an orthopedic spinal surgeon. They specialize in the spine and can diagnose and treat spinal diseases such as scoliosis. They can also treat spinal injuries such as a displaced disc or a fracture, as well as disc degeneration and narrowing that occurs due to aging. However, when your injury or condition affects the spinal canal or spinal cord, it’s typically better to consult with a neurosurgeon. It's worth noting that, while they're both referred to as surgeons, they can also recommend treatments that don't require an operation, such as non-surgical decompression therapy.

An orthopaedic surgeon is a physician who specializes in diagnosis and surgical treatment of injuries and disorders involving the musculoskeletal system, such as hip replacements and arthroscopic knee surgery.In addition to treating trauma to the musculoskeletal system, these doctors also deal with sports injuries, degenerative diseases, infections, tumors and congenital disorders.

A sports medicine specialist is a physician who is trained to diagnose and treat injuries and conditions caused by participation in athletic activities.These doctors are generally employed by professional sports teams to care for the athletes who are injured. They have extensive knowledge of the types of injuries that athletes are most susceptible to, such as stress fractures, sprains, concussions, muscle cramps, ACL injuries, and shin splints.It is the responsibility of sports medicine specialist to clear athletes to return to the playing field when they are deemed fit. These doctors also advise athletes on how to avoid injury through proper care of their bodies while training.