Sunstroke is a type of heatstroke as a result of prolonged exposure to harsh sunlight. It often increases the body temperature, which may pose serious health threats; it may cause death in serious cases due to dehydration resulting from a water-electrolyte imbalance in the blood (Peiris et al., 2017). 2 Kings 4:18-20 provides a biblical story of a boy who succumbed to sunstroke, resulting from non-protected intense rays of the Mediterranean sun. Sunstrokes usually causes dehydration and causes the temperature control mechanism in the body to fail. Dehydration resulting from sunstroke occurs due to an imbalance in the water-electrolyte body fluids. The kidneys often increase the body's reabsorption. Additionally, dehydration results in a reduction in the blood volume; in this case, the kidneys increase the blood pressure through water reabsorption, resulting in an increase in fluids in the blood and blood pressure.
By performing these functions, there exists a significant correlation between the kidneys and the cardiovascular system. The heart plays a vital role in pumping blood, which has undergone kidneys regulation throughout the body through blood vessels, forming up the cardiovascular systems. As a result, the two organs are mutually interactive in ensuring the continuous functioning of all body organs. A recent study has shown cardiovascular diseases are a critical cause of kidney diseases (Okamoto et al., 2019). Inefficient pumping of blood leads to pressure build-up within blood vessels, which eventually transmitted to the kidneys, reducing oxygen supply throughout the system. Whenever the kidneys hormone system acts up, the arteries suffer pressure due to system overdrive, while trying to increase blood supply. In this case, the heart suffers excess workload. Therefore, whatever an individual does to maintain good health for one of these organs, he/she serves both organs.
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References
Okamoto, R., Ali, Y., Hashizume, R., Suzuki, N., & Ito, M. (2019). BNP as a major player in the heart-kidney connection. International journal of molecular sciences , 20 (14), 3581.
Peiris AN, Jaroudi S, Noor R. Heat Stroke. JAMA. 2017; 318(24): 2503. doi:10.1001/jama.2017.18780