Wednesday, February 19, 2020

Causes and effect of stress Essay Example | Topics and Well Written Essays - 250 words

Causes and effect of stress - Essay Example The feelings of loss can turn to stress if nothing is done to remedy the situation. Phobias also stress people because one has little control over what happens when they experience these stressors. Another cause of internal stress levels includes those issues related to health. If an individual has depression-related ailments or heart diseases, the stress levels increase (Renner 294-5). External issues also affect the way an individual reacts to stress. Pressure from work due to too much work with few or no vacations could have a negative toll on the body. Having to meet deadlines everyday also affects the daily reactions amongst employees. Finances also affect the way people react because they are unemployed, have low wages or have to plan for the future and are yet to get substantial amounts of money to accomplish their goals (Renner 296). People undergo different transitions in life, which define who they are. When they experience stressful situations, some may cave in to pressure. Others result to depression or solve their issues appropriately. Whichever way one looks at it, stress is part of life, but people need appropriate coping

Tuesday, February 4, 2020

Pulmonary Hypertension Essay Example | Topics and Well Written Essays - 5000 words

Pulmonary Hypertension - Essay Example Genetic factors may account for mutations in the blood vessels which may manifest in the increased prevalence of smooth muscle cells and fibroblasts in the walls of the blood vessels (Ali, Summer, and Levitzky, 2005). Pulmonary hypertension may also be caused by congenital heart defects like atrial septal defect, ventricular septal defect, patent ductus arteriosus, and congenital heart problems which have left to right shunts (Ali, Summer & Levitzky, 2005). In instances when the pulmonary hypertension would worsen, the right-side pressure may overwhelm systemic pressure and â€Å"poorly oxygenated mixed venous blood bypasses the lungs and enters the systemic circulation, causing severe shunt-related hypoxemia† (Ali, Summer & Levitzky, p.129, 2005). Non-specific symptoms like dyspnea on exertion, fatigue, angina pectoris, and syncope (Ali, Summer & Levitzky, 2005). These are however symptoms which also apply to other cardiopulmonary disorders like ischemic and valvular heart disorder. Hoarseness is a symptom more specific to pulmonary hypertension because it is caused by compression of the recurrent laryngeal nerve due to the enlarged main pulmonary artery (Ali, Summer & Levitzky, 2005). In cases of cardiac overload, sodium and water retention increases under the influence of the aldosterone hormone. Sodium and water retention consequently manifests as volume overload causing distended neck veins (jugular vein distention), ascites, and leg edema. Other symptoms may include tachypnea, dizziness, apprehension, fear, persistent hypoxemia, excessive fatigue, and cyanosis (Canobbio, 2006). Dizziness, fatigue and syncope are largely due to insufficient cardiac output (Newman, 2008). Initial diagnostic tests may include chest x-ray, spirometry, ECG, and echocardiography, and CBC following a complaint of significant exertional dyspnea in patients who seem relatively