Dr. John R Peterson MD

Recommended Articles

• How is Head Lice Diagnosed?

  Head lice are small insects found on the skin of the human scalp, eyebrows and eyelashes. Head lice are most commonly found among children but can also be seen on adults. They are generally harmless and can stay and live in the hair for a long time if left untreated.Head lice usually display no...

• What Is a Bruise?

  IntroductionBruises, also known as contusions, appear due to certain types of trauma. Bruises are formed when the body’s soft tissues are injured due to bumps, twists, fall, or blow to the body. This injury causes tiny blood vessels and small veins to break and release red blood cells (RBCs)...

• Can Laryngitis Be Accompanied by a Cough?

  The inflammation of the voice box (larynx) is what is known as laryngitis. Usually, laryngitis heals in a week without the need of treatment.Laryngitis symptoms start unexpectedly and normally worsen in two to three days. The symptoms include:...

• What Is Septic Shock?

  This is a severe condition which is a result of an overwhelmed immune system due to an infection. Widespread inflammation is activated by immune chemicals that are released into the blood to fight the infection. This causes leaky vessels and blood clots. The flow of blood is then disrupted which...

• What Are Lymphocytes? Low, Normal, and High Lymphocyte Counts

  Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

• How is Bursitis Diagnosed?

  What are the signs and symptoms of bursitis?Bursitis symptoms are there because of the amount of inflammation in the bursa, as well as the exact area of the bursa involved. The swelling causes pain and tenderness in the bursa. When the bursa is so swollen, then it can cause stiffness along with...