Mary Jo Johnstone, MD

Emergency Medicine Doctor

Dr. Mary Jo Johnstone is an Emergency Medicine Doctor in Mineola, NY with special training and skill in addressing urgent illnesses and injuries in patients of all ages. As an Emergency Medicine Doctor, Mary Jo Johnstone, MD performs in trauma centers, intensive care units, and emergency rooms. Emergency Medicine is the diagnosis and treatment of medical conditions that require immediate attention. Significant diseases and conditions treated by Emergency Medicine Doctors include severe injuries, trauma, sepsis, burns, acute coronary syndrome, poisoning, heart attack, and stroke. Medical tests, procedures and therapies provided by Emergency Medicine Doctors include CPR, ECG, projection radiography, CT scan, x-ray, blood testing, suturing, inserting chest tubs, setting bones, and admitting patients into hospitals.

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.