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> Blood clots Part 3
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Blood clots Part 3 (Teacher: Michael)
Fortunately, in many cases
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correct dosage can be easily found and kept constant. But some patients have
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prothrombin time which varies very greatly and inexplicably. This means
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dosage has to be altered frequently.
If there is
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alarming haemorrhage
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dose has to be radically changed - and quickly. Possibly,
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doctor will have to give
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injection of
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certain vitamin and then start all over again finding
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right dose.
There are two things
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patient and his relatives must remember: never forget
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appointment for
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taking of
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blood sample and never take other drugs without permission.
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remarkable number of drugs affect
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prothrombin time very greatly, especially some sedatives and aspirin.
For many sudden crises anticoagulants are extremely valuable - for example, they are used after heart operations. However,
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decision to use them for very long periods, for instance, after
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patient has had
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stroke or
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coronary attack, is
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difficult one to make and experts are not always agreed.
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