PMID: 2500305Jul 1, 1989Paper

Dual-respiratory rhythms. A key to diagnosis of diaphragmatic flutter in patients with HVS

Chest
T KondoH Yamabayashi

Abstract

We discuss three cases of diaphragmatic flutter in patients with extreme polypnea and symptoms of respiratory alkalosis. Initially, the diagnosis for each case was HVS. However, analysis of the respiratory pattern during attacks revealed two frequencies. A fast respiratory rhythm (230 to 250 breaths per minute) was superimposed on a slow rhythm (15 to 30 breaths per minute). The fast rhythm maintained blood gases at normal limits or hypocapnic levels. The dual respiratory rhythms, which do not occur with HVS, indicated diaphragmatic flutter. In addition, the usual treatment for HVS-breathing CO2 mixed air-did not influence the attacks. For two of the three patients, an intravenous dose of DPH suppressed the abnormal respiratory patterns immediately and completely. The third patient responded to an intramuscular injection of haloperidol. For these cases, the dual respiratory rhythms were the key to diagnosis of diaphragmatic flutter which accompanied hyperventilation.

References

Jan 1, 1986·Respiration; International Review of Thoracic Diseases·A StoopH Folgering
May 1, 1968·Respiration Physiology·J R Hales, J D Findlay
Sep 1, 1983·American Industrial Hygiene Association Journal·W P Morgan
Mar 1, 1984·Journal of Applied Physiology: Respiratory, Environmental and Exercise Physiology·H K Chang
Jan 1, 1983·Japanese Journal of Medicine·S TamayaH Yamabayashi

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Citations

Apr 27, 2010·Cardiology in the Young·Himabindu SamardhiKwun M Fong
Apr 1, 1995·Journal of Neurology, Neurosurgery, and Psychiatry·R ChenC F Bolton
Oct 24, 2001·American Journal of Respiratory and Critical Care Medicine·E S KatzC L Marcus
Nov 1, 1995·Chest·W L Whitlock, C R Young
Jul 19, 2016·Movement Disorders Clinical Practice·Vesper Fe Marie Llaneza RamosMark Hallett
Apr 10, 2017·Chest·Michael ChiouEnrique Luis Gonzales
Nov 5, 2015·Journal of the American Animal Hospital Association·Daniela VrabelovaSusan Johnson

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