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 Infection and inflammation of the kidneys is called pyelonephritis. Pyelonephritis is a type of urinary tract infection. E. coli is the most common microbe that causes pyelonephritis. It usually begins in the urethra or bladder and travels to the kidneys. There is a chance of it spreading to the calyces and medullary tissues such as the tubules of the nephrons. If not treated the glomeruli will also be infected and inflamed. (Bullock & Hales 2013). There is both acute pyelonephritis
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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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Postpartum depression is a serious disease that affects as many as 60 percent of new mothers. The new mother’s may not feel love for their newborn and may have no energy to take care of the child. They may also suffer from insomnia‚ excessive eating or anorexia‚ hyperventilation. People have different methods for coping with life and its stressful events. The level of security in a person is directly proportional to the method of coping with a difficult situation. One of these stressful events
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Postpartum depression impacts the lives of 10-15% of postpartum women and typically occurs within one month of giving birth‚ despite the identification of some clear risk factors1‚2. Furthermore‚ having a baby is often viewed as a joyous event and there is a negative stigma associated with depression that occurs following the birth. Research has indicated that there are risk factors that can strongly predict postpartum depression‚ such as socioeconomic status‚ relationship status‚ and mental health
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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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baby is born‚ some moms experience postpartum depression (PPD)‚ which is caused by low hormonal levels. For some people‚ depression only lasts for a couple days‚ for some it can lasts weeks‚ months and if left untreated‚ years. About 950‚000 women suffer from PPD‚ and the symptoms get more detrimental the longer the
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Postpartum Depression in New Mothers Each day‚ there are approximately 361‚000 babies born throughout the world. For each child‚ there is a mother that carried a new life inside of her body for almost a year of their own life. What many people do not realize is that this can be an overwhelming experience leading to devastating consequences. Postpartum depression in new mothers is becoming more and more common each day. Postpartum depression is not just feeling blue or down in the dumps for a couple
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