Allergy/Immunology is a specialty of medicine which deals with diagnosis and treatment of asthma, allergies. An allergy is an abnormal reaction to a substance or environmental trigger. Doctors specializing in this field are called Allergists. Allergists determine what substances or triggers cause reactions in each individual and look for ways to treat those allergies, so the sufferer can go on to live a normal life. Allergists may perform allergy tests like skin challenge, scratch test, breathing test to make accurate diagnosis and provide the right treatment plan.

A cardiac surgeon is a medical professional who is experienced and skilled in treating heart problems, disorders, diseases, and conditions. They can diagnose certain heart problems and treat them with surgery. They work closely with other medical professionals, such as primary care doctors and cardiologists. Cardiac surgeons often perform surgeries to correct heart problems and heart disease, but they can also work on other areas in the chest.

Otolaryngologists are more commonly called ENTs, which stands for ear, nose, and throat. ENTs are medical professionals that are trained to diagnose and treat diseases and illnesses that affect the ear, nose, throat, and related structures of the head and neck. They can treat serious diseases, such as cancer, or simple health problems, such as strep throat.

Thoracic surgery is a surgical subspecialty. Its focus is on the organs of the thoracic cavity. Most of the time, this means the heart and lungs. Patients who need thoracic surgery may have any number of problems, such as heart disease or needing a lung transplant.