infundibular stenosis

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in·fun·dib·u·lar ste·no·sis

narrowing of the outflow tract of the right ventricle below the pulmonic valve; may be due to a localized fibrous diaphragm just below the valve or, more commonly, to a long narrow fibromuscular channel.
Synonym(s): Dittrich stenosis
Farlex Partner Medical Dictionary © Farlex 2012


Franz, German pathologist, 1815-1859.
Dittrich plugs - minute, dirty-grayish, foul-smelling masses of bacteria and fatty acid crystals in the sputum in pulmonary gangrene and fetid bronchitis. Synonym(s): Traube plugs
Dittrich stenosis - narrowing of the outflow tract of the right ventricle below the pulmonic valve. Synonym(s): infundibular stenosis
Medical Eponyms © Farlex 2012
References in periodicals archive ?
In the case of infundibular stenosis, 2-dimensional imaging can reveal muscular hypertrophy proximal to the stenosis or systolic fluttering of the pulmonary valve.
Primary pulmonic infundibular stenosis in 12 cats: natural history and the effects of balloon valvuloplasty.
Clinical and echocardiographic features of primary infundibular stenosis with intact ventricular septum in dogs.
The prevailing notion at that time was that obstruction was caused by a subvalvular muscular ring, a muscular sphincter comparable to that found in infundibular stenosis of the right ventricle outflow tract.
This has been reported before by many authors6,7,39,40 and thought to be secondary to reactive infundibular stenosis as well as impaired RV compliance resulting in right to left shunt across PFO.