During relaxation of the heart (diastole), the left ventricleof the heart fills with blood returning from the lungs. The left ventricle then contracts and pumps blood into the arteries (systole). The blood pressure in the arteries during contraction of the ventricle (systolic pressure) is higher...
High Blood Pressure can be caused by a number of underlying conditions. Learn about the causes of high/low blood pressure in this guide.
The present study was performed to test the safety of low-dose sublingual nifedipine administered to elderly hypertensive patients. 2. Systemic blood pressure measurements and electrocardiographic (ECG) examinations were performed before and 45-60 min after a 5 mg dose of sublingual nifedipine in 93 ...
However, there are concerns that lowering LDL-C to very low levels may exert adverse effect on cognitive function, as cholesterol is a main constituent of the brain myelin encircling neurons, and there were reported neurocognitive adverse events or neurological symptoms associated with lipid-lowing dr...
Additional allogeneic blood transfusions are an effective way to improve anemia status but raise concerns regarding viral transmission, possible immunosuppression and transfusion reactions [12]. Xiong highlighted preoperative anemia as a significant risk factor for perioperative transfusion in TJA patients [13...
Natural nanoparticles (NNPs) in rivers, lakes, oceans and ground water predate humans, but engineered nanoparticles (ENPs) are emerging as potential pollutants due to increasing regulatory and public perception concerns. This Review contrasts the sources, composition and potential occurrence of NNPs (...
Therefore, drivers should avoid prolonged WBV exposure, feeling work-related pressure, and performing repetitive, monotonous tasks. Moreover, they should learn self-regulation techniques and rest adequately during extended work periods. Psychological factors A cohort study of 4,712 elderly Chinese ...
In this study, we used the representative CHARLS data to explore the potential association between sleep duration, sleep quality, and the risk of LBP among middle-aged and elderly people in China. Our findings revealed that individuals who slept for <6 h per night had a higher risk of ...
Nowadays, population aging is an unavoidable problem, and the elderly are going through dementia, such as AD and VaD [45]. Physical exercise has been demonstrated to induce memory-related events in the brain, and proposed as a positive approach to protect against dementia from early stage to ...
and claim-based approaches. These aspects constrained the generalizability of the findings since the estimate was not reflective of the broader population. Additionally, in the analysis, controlling for socioeconomic status, income, and wealth, raised concerns of over-adjustment, as these factors might...