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The test was once part of the World Health Organization (WHO) algorithm for diagnosis of dengue fever, [3] however it is no longer used in the latest WHO guidance. [4] Studies have shown that the tourniquet test has low predictive value for dengue fever and should be used in conjunction with other tests for a reliable diagnosis. [5] [6] [7] [8]
Improvised tourniquet on an accidentally severed finger Emergency tourniquets are cuff-like devices designed to stop severe traumatic bleeding before or during transport to a care facility. They are wrapped around the limb, proximal to the site of trauma , and tightened until all blood vessels underneath are occluded.
The key dangers of internal bleeding include hypovolaemic shock (leading to exsanguination), a tamponade on the heart or a haemothorax on the lung. The aortic aneurysm is a special case where the aorta , the body's main blood vessel, becomes ruptured through an inherent weakness, although exertion, raised blood pressure or sudden movements ...
The tourniquet test, which is particularly useful in settings where no laboratory investigations are readily available, involves the application of a blood pressure cuff at between the diastolic and systolic pressure for five minutes, followed by the counting of any petechial hemorrhages; a higher number makes a diagnosis of dengue more likely.
An elastic tourniquet used to temporarily restrict blood flow. The tourniquet distends the veins, making them more palpable and visible.. There are many ways in which blood can be drawn from a vein, and the method used depends on the person's age, the equipment available, and the type of tests required.
Kerr saw it (as did a number of players) and frantically started shouting and motioning to the referees, calling for a technical foul, which is the punishment when a player tries to take a timeout ...
Perry recalled his mother encouraging him to work at the phone company to make money before she realized he was destined for another path. “I heard the best quote and I can’t remember who ...
We’re ready for a whole new set of explorations in 2025 with picks for 25 top places to visit. Take cues from the worst-behaved travelers of 2024 for what not to do in the year ahead.
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