| narrow complex tachycardia |
Tachycardia in which the duration of the QRS complex is less than 0.12 seconds. Most narrow complex tachycardias originate from a pacemaker above the ventricles, and are therefore supraventricular tachycardias.
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| narrow spectrum |
A term that refers to an antibiotic effective against only a few microorganisms.
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| narrow-spectrum antibiotic |
An antibiotic that is specifically effective against a limited group of microorganisms.
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| narrow | define clearly |
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| narrow | define clearly |
| narrow | something achieved (or escaped) by a narrow margin |
| narrow | a railroad track (or its width) narrower than the standard 56.5 inches |
| narrow | western American goldenrod with long narrow clusters of small yellow flowers |
| narrow | corduroy with narrow ribs |
| narrow | reed maces of America, Europe, North Africa, Asia |
| narrow | plant having small narrow leaves and blue-violet flowers in long open clusters |
| narrow | large tree of Queensland Australia having cream-colored flowers blotched with red inside |
| narrow | European perennial with mottled purple-pink flowers |
| narrow | similar to Talinum aurantiacum but with narrower leaves and yellow-orange flowers |
| narrow | an Old World plantain with long narrow ribbed leaves widely established in temperate regions |