• Brain Scan Tests for Dementia Brain scans are carried out to recognize strokes‚ tumors‚ or other problems that can result dementia. A brain scan may also demonstrate cortical atrophy (the progressive loss of neurons causes the ridges to become thinner and the sulci to grow wider)‚ which is the deterioration of the brain’s cortex (outer layer) and is frequent in many forms of dementia. Brain scans can also spot changes in the brain’s organization and
Premium Alzheimer's disease Psychology Cognition
Objective II.4 Explain how neurotransmitters affect behavior‚ and identify the major neurotransmitters. Key Terms neurotransmitters acetylcholine dopamine serotonin norepinephrine endorphins Exercises 1. Which of the following statements about neurotransmitters is false? a. Neurotransmitters allow impulses to flow from one neuron to another. b. Neurotransmitters prevent impulses from flowing from one neuron to another. c. Neurotransmitters are stored in the cell bodies of
Premium Nervous system Brain Neuron
Pericarditis is an inflammation of the thin sac that surrounds the heart (known as the pericardium). This can cause pain as the inflamed pericardium rubs against the heart. Fluid can build up in the pericardium‚ which can compress the heart and affect its function. What causes pericarditis? Pericarditis can be caused by infection from a virus‚ bacterium or fungus. Viral infections are the most common cause of pericarditis in children. Pericarditis can result from injury to the chest. It can
Premium Heart Bacteria Blood
Trismus or Lockjaw is essentially a disorder that prevents the mouth from opening properly‚ fully‚ or to otherwise function improperly. If there is pain or tension in your mouth that prevents you from fully opening your jaw it is likely that you have lockjaw. This disorder itself is relatively harmless‚ but it is an indicator of some issues that may be very important. One of the most famous causes of this disorder is having an infection known as tetanus which is potentially lethal. Tetanus has a
Premium Immune system Blood Inflammation
cirrhosis‚ you will be given blood tests to find out if liver disease is present. Other tests. In some cases‚ other tests that take pictures of the liver are performed such as a computerized tomography (CT scan)‚ an ultrasound‚ or another specialized procedure called a radioisotope liver/spleen scan. Biopsy. Your doctor may decide to confirm the diagnosis by taking a sample of tissue (biopsy) from the liver. Surgery. In some cases‚ cirrhosis is diagnosed during surgery when the doctor is able to see
Premium Blood Immune system Liver
DOI: 11/11/1998. Patient is 49-year-old male inventory clerk who sustained a work related injury when he was struck on the head by a descending forklift. Per the medical report dated 02/22/13‚ the patient has had a CT scan of the cervical spine on 11/11/98 (no official report)‚ which showed minor spurring to the left of midline at C6-7 level posteriorly without significant spinal stenosis. Per the medical report dated 11/02/15‚ the patient admits radiation of neck pain to the upper extremities
Premium Myocardial infarction Patient Hypertension
In this country‚ many feel as though health care is a right of the citizens. I myself struggle with this idea as I do believe we need to address the health care needs of our country but do not feel responsible for those that make poor health care decisions on a daily basis and look for us as a country to care for them. With that same thought‚ I feel a responsibility to help those that are truly trying and are not offered health care benefits through their employers‚ and cannot afford to purchase
Premium Medicine Health care Health economics
Rhabdomyosarcoma is a rare type of striated muscle tissue cancer. It is commonly seen in childhood cancer cases. Similar to other types of cancer‚ the risk of Rhabdomyosarcoma is affected by certain genetic conditions. For example‚ family history of cancer. However‚ having a risk factor or not does not determine whether the child will contract the disease or not. In simpler terms‚ it can happen to anyone. Another way to describe rhabdomyosarcoma‚ or RMS‚ is that it is a malignant tumor in which
Premium Cancer Oncology
Gallstones Gallstones are pebbles and stones that form in the gallbladder of the human body due to bile build-up. According to Medilexion’s medical dictionary‚ a gallstone is "A concretion in the gallbladder or a bile duct‚ composed chiefly of a mixture of cholesterol‚ calcium bilirubinate‚ and calcium carbonate‚ occasionally as a pure stone composed of just one of these substances". Bile is a greenish-brown liquid produced in the liver then stored in the gallbladder which is use to digest fat
Premium Liver Hepatology Cholesterol
electromagnetic radiation instead of visible light and this type uses the smallest amount of radiation. Electromagnetic radiation is produced when charged particles of sufficient energy hit a material. Computerized Tomography commonly known as a CT scan‚ during this procedure the patient ties on the table and enters a ring-shaped scanner and this type uses the highest dose of radiation because so many images are taken at once. Radiology itself is non-invasive‚ guiding and can be used to find unexpected
Premium Medical imaging X-ray Radiology