Lower Vitamin D Status May Explain the Higher Prevalence of Peripheral Arterial Disease Among African Americans: ReplyIx, J.H.Criqui, M.H.JOURNAL- AMERICAN COLLEGE OF CARDIOLOGYGrant WB. Lower vitamin d status may explain the higher prevalence of peripheral arterial disease among African Americans....
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(a) Can stress increase the risk of cardiovascular disease? (b) How? Why does blood pressure in the body decrease the farther away it is from the arteries to veins if there is vascular resistance? Why is extra oxygen needed by the cardiac mus...
We present an integrative model of disease mechanisms in the Chronic Fatigue Syndrome (CFS), unifying empirical findings from different research traditions. Based upon the Cognitive activation theory of stress (CATS), we argue that new data on cardiovascular and thermoregulatory regulation indicate a st...
How does pain develop in peripheral arterial disease? Why is it so important for blood to flow in only one direction? Explain the effect of vasoconstriction of an artery on blood flow past the point of constriction. Why is the blood only flows in 1 direction and no backward blood flow? Wh...
Early stages of the novel coronavirus disease (COVID-19) are associated with silent hypoxia and poor oxygenation despite relatively minor parenchymal involvement. Although speculated that such paradoxical findings may be explained by impaired hypoxic pulmonary vasoconstriction in infected lung regions, no ...
How does obstructive lung disease affect the vital capacity and rate of air movement during inspiration and expiration? Discuss how body position can affect stroke volume and heart rate at rest and during exercise. Describe how the cardiovascular system adjusts to meet the deman...
Describe cardiovascular disease. What causes heart murmurs in diastole and in systole? Explain the biological cause of peripheral artery disease. What distinguishes a heart attack from heart failure? What is the main reason for heart attack? What causes heart attack? Explain coronary artery disease ...
Explain why smoking is a risk factor for heart disease in terms of the autonomic system. With increased exercise, does cardiac output increase, decrease, or stay the same? Explain. Discuss the causes of plaque build-up in coronary arteries and the implications of high cholesterol for the heart...
Explain why hypertension and efferent vasoconstriction increases glomerular filtration rate and describe how this might lead to kidney damage/disease. If the vascular resistance in blood vessels increases blood pressure, why do veins have very little pressure? Discuss the factors that...