Trauma

Subdural And Epidural Hematoma

A blow to the head is the usual cause of bleeding into or around the meninges, which forms a hematoma. Damage to an artery from a skull fracture, usually on the side of the head, may be the cause of an epidural hematoma Fig. 17-9 , which appears between the dura mater and the skull bone. The rapidly accumulating blood puts pressure on local vessels and interrupts blood flow to the brain. There may be headache, loss of consciousness, or hemiparesis partial paralysis on the side opposite the...

Acoustic Neuroma

An acoustic neuroma also called a schwannoma or neurilemoma is a tumor that arises from the neurilemma sheath of the eighth cranial nerve. As the tumor enlarges, it presses on surrounding nerves and interferes with blood supply. This leads to tinnitus, dizziness, and progressive hearing loss. Other symptoms develop as the tumor presses on the brainstem and other cranial nerves. Usually it is necessary to remove the tumor surgically. A tumor of the eighth cranial nerve sheath although benign, it...

Answer Section

Medical Terminology Images

1. excess sensitivity to stimuli 5. thermesthesia ther-mes-THE-ze-a 6. hyperalgesia hi-per-al-JE-ze-a 4. pertaining to the vestibule or vestibular apparatus 5. pertaining to the labyrinth inner ear 11. tympanoplasty tim-PAN-o-plas - te 12. myringotomy mir-in-GOT-o-me also tympanotomy ti m-pan-OT-o-me 13. stapedoplasty sta-pe-do-PLAS-te 14. vestibulocochlear ves-tib-u-lo-KOK-le-ar 15. labyrinthitis lab-i-rin-THI-tis 16. salpingoscope sal-PING-go-skop 17. a specialist in the diagnosis and...

Accessory Organs Hepatitis

Billroth Billroth Antes Depois

In the United States and other industrialized countries, hepatitis is most often caused by viral infection. More than six types of hepatitis virus have now been identified. The most common is hepatitis A virus HAV , which is spread by fecal-oral contamination, often by food handlers, and in crowded, unsanitary conditions. It may also be acquired by eating contaminated food, especially seafood. Hepatitis B virus HBV is spread by blood and other body fluids. It may be transmitted sexually, by...

Case Study

Case Study 2-1 Health Problems on Return From the Rain Forest E.G., a 39-year-old archaeologist and university professor, returned from a 6-month expedition in the rain forest of South America suffering from a combination of physical symptoms and conditions that would not subside on their own. He was fatigued, yet unable to sleep through the night. He also had a mild fever, night sweats, occasional dizziness, double vision, and mild crampy abdominal pain accompanied by intermittent diarrhea. In...

Medical Case Studies

Drags The Ear

An electrical fire in the physicians' dictation room left a charred mass of burned and water-damaged medical records. Discharge charts had been stacked awaiting physician sign-off before they could be returned to Medical Records for storage. Several medical transcriptionists spent 3 days sorting through the remains to reassemble the charts, all of which were from the patients of the large otorhinolaryn-gology practice. In addition to patient identification information, the transcriptionists...