Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.
Dr. Balentine received his undergraduate degree from McDaniel College in Westminster, Maryland. He attended medical school at the Philadelphia College of Osteopathic Medicine graduating in1983. He completed his internship at St. Joseph's Hospital in Philadelphia and his Emergency Medicine residency at Lincoln Medical and Mental Health Center in the Bronx, where he served as chief resident.
Polio is an infectious disease caused by viruses; the symptoms
may range from none to paralysis and death.
Polio has been traced back almost
6,000 years; great strides have been made in preventing this disease.
caused by person-to-person transmission of polio viruses (enteroviruses, three
Not receiving the polio vaccine is the highest risk factor for getting
infected with poliovirus; the viruses are only spread human to human by direct
and indirect contact.
Symptoms and signs of polio vary from no symptoms to limb
deformities, paralysis, and death.
Diagnosis of polio is based on the patient's
history, physical exam, and ongoing symptoms; the virus may be isolated from the
patient's tissues to confirm the diagnosis.
There is no cure for polio;
treatment is mainly supportive and is aimed at limiting or reducing the
For most patients, the prognosis is good because there are
few or no symptoms; however, the prognosis declines rapidly as some patients
develop more severe symptoms such as limb deformity, paralysis, difficulty
breathing, and/or inability to swallow foods.
It is possible to prevent polio by
vaccination; it may be possible to eradicate polio.
A polio-like illness
has recently been discovered in California in children that produces paralysis
like that seen in some polio patients; the illness is not polio according to
doctors treating the children.
Chronic cough is a cough that persists. Chronic cough is not a disease in itself, but rather a symptom of an underlying condition. Chronic
cough is a common problem and the reason for many doctor visits.