| first-degree burn |
burn causing redness of the skin surface
출처: wordnet.princeton.edu/perl/webwn
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| first-degree atrioventricular block |
Delayed conduction through or from the atrioventricular node, marked on the electrocardiogram by a prolonged PR interval. Usually no treatment is necessary.
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| first-degree heart block |
A heart block in which the conduction of impulses through the atrioventricular node is delayed but all atrial beats are followed by ventricular beats. It is recognized on the electrocardiogram by a prolonged P-R interval
출처:
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| first-degree b. |
a burn that affects the epidermis only, causing erythema and in some cases mild edema, without vesiculation.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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