Labor and Delivery Pathophysiology Ashley Keyser Tarleton State University Nursing 3302 Diana Kunce-Collins RNC-MNN January 24‚ 2015 Labor and Delivery Pathophysiology Definition: The physiologic process during which the fetus‚ membranes‚ umbilical cord‚ and placenta are expelled from the uterus. (Medscape 2014) Etiology: According to research‚ the exact cause of labor has yet to be discovered. Labor normally starts when the fetus is mature enough to adjust easily to extra uterine life
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he pathophysiology of ADHD is unclear and there are a number of competing theories.[87] Research on children with ADHD has shown a general reduction of brain volume‚ but with a proportionally greater reduction in the volume of the left-sided prefrontal cortex. These findings suggest that the core ADHD features of inattention‚ hyperactivity‚ and impulsivity may reflect frontal lobe dysfunction‚ but other brain regions particularly the cerebellum have also been implicated.[88] Neuroimaging studies
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PATHOPHYSIOLOGY OF PEPTIC ULCER DISEASE Definition: Peptic ulcer disease is an excavation (hollowed-out area) that forms in the mucosal wall of the stomach. Erosion of a circumscribed area of mucous membrane is the cause. Predisposing Factors Precipitating Factors ➢ Age (40-60) > Malignant tumors ➢ Gender > Gastric Hyperacidity
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PATHOPHYSIOLOGY OF MYOCARDIAL INFARCTION Mechanisms of Occlusion Most MIs are caused by a disruption in the vascular endothelium associated with an unstable atherosclerotic plaque that stimulates the formation of an intracoronary thrombus‚ which results in coronary artery blood flow occlusion. If such an occlusion persists long enough (20 to 40 min)‚ irreversible myocardial cell damage and cell death will occur.5 The development of atherosclerotic plaque occurs over a period of years to decades
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Pathophysiology of Metastatic Liver Cancer Liver metastases are cancerous tumors that have spread to the liver from somewhere else in the body. Cancers that may spread to the liver include: • Breast cancer • Colorectal cancer • Esophageal cancer • Lung cancer • Melanoma • Pancreatic cancer • Stomach cancer The risk of cancer spreading to the liver depends on the site of the original cancer. A liver metastasis may be present when the original (primary) cancer is diagnosed‚ or it may
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Chronic Alcoholism (started drinking half gallon of tuba every day at the age of 16‚ beer and redhorse 2-3 times a week) Chronic Alcoholism (started drinking half gallon of tuba every day at the age of 16‚ beer and redhorse 2-3 times a week) Liver Cirrhosis Liver Cirrhosis Risk Factors * Chronic alcoholism * Smoking * Diet Malnutrition Risk Factors * Chronic alcoholism * Smoking * Diet Malnutrition Predisposing Factors * Age > 45 y/o * Gender (more common in
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causes such as arrhythmia or myocardial infarction. Mr. KH ’s presentation during the attack was also consistent with criteria and symptoms of situational syncope‚ specifically cough syncope. Syncope is classified according to its suspected pathophysiology as follows: Neurally-mediated reflex syncopal syndrome referring to a reflex that‚ when triggered‚ gives rise to vasodilation and bradykardia (1) Orthostatic syncope occurring when the autonomic nervous system is incapacitated resulting
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NUR 300 Exam #1 1. Which of the following clients is at a high risk for developing dilated cardiomyopathy? a. A 4-year-old child born with cerebral palsy and confined to a wheelchair b. A 44-year-old noncompliant female who forgets to take her hypertensive medications c. A 17-year-old with a diving injury resulting in paraplegia d. A 78-year-old patient with Alzheimer disease who received a third-degree burn following an oven fire 2. A client is experiencing muscle atrophy following 2 weeks
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HCR240 Human Pathophysiology Lesson 1 Quiz This assignment is worth 40 points. Please make sure you have answered all questions prior to submitting. Once you click the submit button‚ you will not be able to return. Question 1 of 40 A 9-year-old patient is admitted to a pediatric unit with Duchenne muscular dystrophy. Which of the following traits was this condition inherited from? Sex-linked dominant Sex-influenced Sex-limited Sex-linked recessive Question 2 of 40 A 70-year-old
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Upper airway obstruction condition in which sites of anatomic narrowing such as the hypo pharynx at the base of the tongue and the false and true vocal cords at the laryngeal opening are obstructed. Vasogenic edema an accumulation of fluid in the cerebrum that is typically caused by an increase in capillary endothelial cell permeability and usually occurs near a tumor. Ventilation-perfusion ratio (V/Q) the relationship between ventilation and blood flow in the lung that is measure by calculating
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