Laryngotracheal traumaHematomaSubcutaneous emphysemaCricoarytenoid dislocationCricothyroid dislocationFracture hyoid, thyroid, cricoid, early tracheal ringsDamage to the epiglottisRecurrent laryngeal nerve palsy

Biots signKussmauls signCheyne stokes sign

Carcinoma maxillary snusEthmoid sinusSphenoid sinusFrontal sinus

MaheshwariApleyDavidsonKumar clark

SchwartzBailey and loveHarrisonDavidsonMathhews

Persistant pulmonary hypertensionApneaAsthmaHyperreactive lung diseaseHemolytic diseases of newborn

Tegmen tympaniJugular bulbInternal carotid arteryProcessus cochleariformisPromomtory

SmallpoxChickenpoxVaricellsMeaslesMumpsRubellaInfluenzaParainfluenza

IncidencePrevalenceMortalityMorbidityChemosisPapillaeMucopusCongestionLid edema