Aortic dissection. The diagnostic dilemma resolved.

JAMA 1981; 245:2414-18 6 Rotman HH, Liss HP, Weg JG. Diagnosis of upper airway obstruction by pulmonary function testing. Chest 1975; 68:79699 7 Shore ET, Millman RE Abnormalities in the flow-volume loop in obstructive sleep apnea sitting and supine. Thorax 1984; 39: 775-79 8 Chaudhary BA, Elguindi AS, Giacomini K, Speir WA. Diagnosis of sleep apnea by flow-volume loops [abstract]. Am Rev Respir Dis 1982; 125:101 9 Tammelin BR, Wilson AF, Borowiecki BDB, Sassin JF. Flowvolume curves reflect pharyngeal airway abnormalities in sleep apnea syndrome. Am Rev Respir Dis 1983; 128:712-15 10 Krieger J, Weitzenblum E, Vandevenne A, Stierle JL, Kurtz D. Flow-volume curve abnormalities in obstructive sleep apnea syndrome. Chest 1985; 87:163-67 11 Katz I, Zamel N, Slutsky AS, Rebuck AS, Hoffstein V. An evaluation of flow-volume curves as a screening test for obstructive sleep apnea. Chest 1990; 98:337-40 12 Vincken WG, Cosio MG. Flow oscillations on the flow-volume loop: clinical and physiological implications. Eur Respir J 1989; 2:543-49 13 Vincken WG, Cosio MG. Flow oscillations on the flow-volume loop: a non-specffic indicator of upper airway dysfunction. Bull Eur Physiopathol Respir 1985; 21:559-67 14 Vincken WG, Gauthier SC, Dollfus RE, Hanson RE, Danauay CM, Cosio MG. Involvement ofupper-airway muscles in extrapyramidal disorders: a cause ofairflow limitation. N Engl J Med 1984; 311:438-42 15 Schiffinan PL. A “saw-tooth” pattern in Parkinson’s disease. Chest 1985; 87:124-25 16 Haponik EF, Munster AM, Wise BA, Smith PL, Meyers DA, Britt EJ, et al. Upper airway function in burn patients: correlation of flow-volume curves and nasopharyngoscopy. Am Rev Respir Dis 1984; 129:251-57 17 Haponik EF, Meyers DA, Munster AM, Smith PL, Britt EJ, Wise BA, et al. Acute upper airway injury in burn patients: serial changes of flow-volume curves and nasopharyngoscopy. Am Rev Respir Dis 1987; 135:360-66