p>Obtains and records patient history, Performs physical and medical screening examinations, Completes diagnostic and therapeutic studies, Orders diagnostic laboratory tests, radiological studies or other therapies as appropriate, Establishes diagnostic decision-making and initiates a treatment plan, which may include ordering medications, additional therapeutic modalities, etc. They may present with a range of conditions, including diabetic ketoacidosis, stroke, renal failure, respiratory failure, sepsis, gastrointestinal bleeding, oncologic/hematologic emergencies, electrolyte imbalances, hypertensive emergencies, ENT, neurological, and intra-abdominal surgeries.