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The advent of refrigeration technology has a great impact on the modern lifestyle. It not only keeps our food from getting spoiled but has also offered great help in the medical industry.

Nowadays, medical industry utilizes a lot of refrigeration equipment in various forms such as for storing test samples, reagents and other medical equipment. However, medical refrigerators are designed specifically for medical enterprises and are not the same as the kitchen refrigerators.

Do you know, it was actually a doctor who invented refrigeration technology. The credits for its invention goes to a Scottish doctor William Cullen. In the 1720s he discovered that a mechanical refrigerator can be created with the help of evaporation. This was the basic principle of refrigeration technology, since then the technology has come a long way.

A pulse oximeter is a medical device that is used to measure the saturation level of oxygen in the blood. It also helps in measuring your pulse rate. This measuring is done by clipping oximeter onto your forefinger. If you are getting a reading between 95 and 100 percent at sea level (it can get lower at high altitudes) then the oxygen level in your body is normal. If you are getting reading lower then this then you might be having a problem with the heart or the lungs. This can be an indication of pneumonia or chronic obstructive pulmonary disease.

Some experts suggest that buying a battery-powered finger pulse oximeter is a great investment, looking at the spread of coronavirus across the globe. This device provides an inexpensive and quick way to monitor respiration at home as the disease caused by COVID-19 virus typically attacks the lungs. This would help you eliminate the potentially worsening situation.

The excitement of owning a stethoscope that distinctly identifies a health care expert is something that most medical students remember for their entire career. However, most medical students encounter this diagnostic equipment in the first year physiology class, the thrill of owning it remain till the last day of their career and beyond that. Due to the availability of various specifications and options of stethoscope available in the market, it becomes a tedious task to select the right stethoscope during medical school and it often confuses students. Apart from being a momentous occasion, there are various criteria that need to be considered while buying your first stethoscope.

Many medical students start with an affordable stethoscope and upgrade to a more superior one as they get more experienced. Ideally, the usability, durability, weight and price are the key features that need to be kept in mind while buying a stethoscope for medical students. After the fundamental specifications