Archive for the 'Respiratory' Category

22 Nov

Dual-Respiratory Rhythms: Conclusion

Intravenous DPH had remarkable effects on cases 2 and 3 in our study. Diphenylhydantoin is used to treat generalized tonic-clonic seizures. It inhibits the spread of the seizure process. Therefore, a mechanism similar to seizure may underlie the development of the polypneic attack in our patients. Diphenylhydantoin was effective, however, only when it was administered […]

21 Nov

Dual-Respiratory Rhythms: Discussion

The possibilities of palatal myoclonus, a disorder which involves the diaphragm and may cause abnormal respiration similar to the cases reported here, was eliminated. The symptoms of palatal myoclonus are usually minor, last for a few weeks, and are not influenced by any drugs. In contrast, our patients developed serious symptoms lasting only a few […]

20 Nov

Dual-Respiratory Rhythms: Case 3

Case 3 A 21-year-old man visited the hospital with complaints of epigastric pulsation, dyspnea, and perioral numbness. Physical examination revealed an end-inspiratory oscillatory movement of the hypo-chondrium. The arterial blood gases were pH 7.427; Pco2, 34.7 mm Hg; and Po2, 107.0 mm Hg. Laboratory tests showed normal CBC, transaminase, and electrolyte levels. A chest x-ray […]

19 Nov

Dual-Respiratory Rhythms: Case Reports

Case 2 A 13-year-old girl was brought to the hospital with a low-grade fever. Physical examination revealed no abnormalities and her blood chemistry values were normal except for a 1 + rheumatoid factor. The low-grade fever subsided spontaneously after a few days. During the second week, occasional intractable polypneic attacks began. During the attacks, she […]

18 Nov

Dual-Respiratory Rhythms

Hyperventilation syndrome is not an uncommon disorder which is controlled by rebreathing into a paper bag. During the last seven years of clinical practice, we have encountered three patients with intractable hyperventilation attacks. The patients developed extreme polypnea with a respiratory rate more than 200 breaths per minute during an attack. Breathing with C02-mixed air […]

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