Vitiligo
Presentation - 28 pages - Medical studies
An acquired, slowly progressive depigmenting condition in small or large areas of the skin due to the disappearance of previously active melanocytes Focal (including segmental) vitiligo: 1 to a few scattered macules, occasionally in a dermatomal distribution Generalized vitiligo: Many...
The Effect of Benzodiazepine Drugs on the GABA(A) Receptor
Essay - 4 pages - Biology
The GABA(A) receptor plays a vital role in the mammalian brain and is responsible for a large majority of inhibitory neurotransmissions in the central nervous system (Perrine 144). The GABA(A) receptor is a member of the ionotropic (ligand gated) family of receptors that uses GABA, otherwise...
Structural Explanation of The paradox between High Permeability and High Conductance in a Potassium Channel
Essay - 3 pages - Biology
The human body is a fascinating array of mechanisms, each perfectly sculpted to satisfy its role in the ever changing needs of our physiology. The various systems within us each rely on impulses, sent via the central or peripheral nervous systems, to coordinate everything from breathing to...
Water Pollution
Case study - 4 pages - Biology
This article deals with a possible solution to water pollution in a Wisconsin suburb. However the results could be universally interpreted, with the method of prevention being employed in many areas of the world. The Article describes a scientist's experiment to test the amount of water runoff...
Osmolarity
Essay - 10 pages - Biology
One of the most fascinating systems of a cell or an organism is the way it deals with water. Every living needs water to survive and manages the intake of this precious resource differently. Water diffuses through a selectively permeable membrane within a cell by the process of osmosis (Campbell,...
Effects of Allelopathic Agent on Plant Growth
Essay - 3 pages - Biology
The experiment that was performed these past few weeks involved measuring the relative growth of a soybean plant that was planted based on how much allelopathic agent we used. Allelopathic interactions are very widespread in nature, and they are important factors in the mechanisms of the...
Forest Ecology Lab Report
Case study - 3 pages - Biology
This lab was set up in order to demonstrate the diversity and at the same time scarcity of species of plants in a long island forest as an example for a very global issue. The main principles involved were the community structure and dynamics of ecology. To observe this in the open we sectioned...
Vaginal Bleeding during Pregnancy
Presentation - 28 pages - Medical studies
Vaginal bleeding during pregnancy has many causes and ranges in severity from mild (with normal pregnancy outcome) to life threatening for both infant and mother. Bleeding can vary from scant to excessive, from brown to bright red, and can be painless or painful. Causes can be divided into...
Vertigo
Presentation - 32 pages - Medical studies
Sensation of movement when no movement is actually occurring. Results from peripheral or central causes or, in some instances, may be induced by medications or anxiety disorders. Patients who are elderly and have risk factors for cerebrovascular disease (CVD) are more likely to experience central...
Pulmonary Hypertension
Presentation - 23 pages - Medical studies
It occurs when the blood pressure abnormally raises in the arteries that take the blood from the heart to the lungs. This pressure is not the same one that is measured in the medical doctor's office. When the cause of this illness is pulmonary emphysema or an heart illness since birth, for...
Glacoma
Presentation - 31 pages - Medical studies
Glaucoma is an alteration where the pressure of the liquid that fills the ocular globe abnormally increases, beyond the eye can tolerate. When this pressure, called intra-ocular tension, is bigger than the normal one, the risk of damages to the eyes increases. Glaucoma is caused by the...
Diabetes
Presentation - 30 pages - Medical studies
Illness provoked by the deficiency of production and/or action of insulin, that drives to acute symptoms and chronic complications. The disease involves the metabolism of glucose, fats and proteins and has serious consequences in either if it appears quickly as when it is installed slowly. In...
Uterine Myoma
Presentation - 33 pages - Medical studies
When numerous large tumors (especially intraligamentary mommas) are found, total abdominal hysterectomy is indicated. If the ovaries are diseased or if their blood supply has been destroyed, oophorectomy is necessary; otherwise, the ovaries should be preserved. Ovaries generally are preserved in...
Coma
Presentation - 63 pages - Medical studies
Consciousness, the awareness of self and environment, requires both arousal and mental content; the anatomic substrate includes both reticular activating system and cerebral cortex. Coma is a state of unconsciousness that differs from syncope in being sustained and from sleep in being less easily...
Effects of Gibberellins on Flowering in Grasses
Essay - 3 pages - Biology
For years, man has been trying to find a single chemical that triggers flowering in plants. Although this single chemical has not been found, several of the Gibberellins show promising results as an active florigen - such as GA5 and GA6 and possibly GA1 and GA4. Results have shown that these...
The Invasion of Bacillus
Essay - 2 pages - Biology
Beep… beep… click… click … this just in: A pandemic breakout of unheard of proportions. Is it anthrax? Or clostridia? It could be, but authorities believe the culprit is Bacillus cereus (49133). B. cereus is a cousin strain to both Bacillus anthracis (anthrax) and Clostridia...
Management and Prognosis of Heart Failure
Presentation - 121 pages - Medical studies
The cardinal manifestations of heart failure are (1) dyspnea and fatigue, which may limit exercise tolerance, and (2) fluid retention, which may lead to pulmonary and peripheral edema. Both abnormalities can impair the functional capacity and quality of life of affected individuals. In addition,...
Glucocorticosteroids in Relation to Inflammatory Disease
Presentation - 42 pages - Medical studies
For more than 50 years, glucocorticosteroids have been important agents in treating diseases characterized by inflammation and exaggerated immune responses. The pioneering work of Hench and colleagues in rheumatoid arthritis showed the possible potency of these agents in such pathologic states....
Applications of Statistics in the Medical Area
Presentation - 49 pages - Medical studies
The sound practice of medicine requires the ability to use scientific evidence that is based on data and is published in the peer-reviewed medical literature. In this literature, investigators publish their findings using descriptive statistics to summarize data and inferential statistics to test...
Applications and Limitations of Diagnostic Imaging
Presentation - 60 pages - Medical studies
The traditional evaluation of the patient includes the history and physical examination and a well-planned set of diagnostic tests, often including imaging. Dramatic advances in imaging not only supplement the physical examination, but also now may begin to substitute for part of it. Medical...
Social and Economic Issues in Medicine
Presentation - 38 pages - Medical studies
Medicine is practiced in a social, economic, and political context. It takes more than excellent medical care to improve the health of patients because many of the determinants of the health of individuals and populations lie outside traditional clinical activity. By contrast, 40% of premature...
Physical Activity
Presentation - 43 pages - Medical studies
Regular physical activity is an important component of a healthy lifestyle. In the 1980s and 1990s, a large body of epidemiologic and clinical evidence linked regular physical activity with a variety of health benefits. Although the strength of the data supporting these associations varies from...
Principles of Drug Therapy
Presentation - 41 pages - Medical studies
It is generally appreciated that under different conditions a drug may produce diverse effects, ranging from none to a desirable effect or, in other cases, an undesirable, toxic effect. Physicians must learn how to individualize the drug dosage under different conditions to ensure effective and...
Neuropsychiatric Aspects of Aging - published : 31/07/2007
Presentation - 37 pages - Medical studies
The process of aging produces important physiologic changes in the central nervous system, including neuroanatomic, neurotransmitter, and neurophysiologic changes. These processes result in age-related symptoms and manifestations for many older persons. These physiologic changes develop at...
Chronic Poisoning
Presentation - 73 pages - Medical studies
The chemical environment was recognized as a threat to health early in history. Well-documented outbreaks of occupational mercury and lead "poisonings" had been recorded and preventive measures implemented by 200 BC. In the Middle Ages, arsenic poisoning was used as a political weapon. In...
Drug Allergy
Presentation - 43 pages - Medical studies
The designation drug allergy should be reserved for adverse drug reactions caused by immunologic mechanisms. Although drug allergies are responsible for only a few adverse drug effects, the possibility of such reactions is a daily concern of most physicians. Drug allergy has a great variety...
Common Clinical Sequelae of Aging
Presentation - 98 pages - Medical studies
Increased longevity throughout the world is influencing medical care dramatically as more older individuals develop or survive with various medical conditions. Although some elderly present typically with single-system disease, they often have presentations and responses to treatments that are...
The Evaluation and Follow-Up of a Heart Failure Patient
Presentation - 28 pages - Medical studies
An extensive battery of laboratory tests is not required for most patients with heart failure. Routine testing should include a complete blood cell count (to detect anemia and systemic diseases with hematologic manifestations), measurement of renal function and electrolytes including magnesium...
Evaluation of a Patient with Possible Heart Failure
Presentation - 51 pages - Medical studies
The common symptoms of heart failure are well known but are frequently absent and variably specific for this condition. The symptoms generally reflect, but may be dissociated from, the hemodynamic derangements of elevated left-sided and right-sided pressures and impaired cardiac output or cardiac...
Clinical Presentation of Heart Failure
Presentation - 30 pages - Medical studies
Acute heart failure usually presents as shortness of breath, culminating, sometimes in a matter of minutes, with pulmonary edema. A more subacute presentation is of progressive dyspnea associated with systemic fluid retention over days to a few weeks. The precipitous form usually suggests...
