Article
Comparison between hyperventilation and breath-holding in panic disorder: patients responsive and non-responsive to both tests.
Psychiatry research - 15 Jun 2006
Nardi Antonio E, Valença Alexandre M, Mezzasalma Marco A, Levy Sandra P, Lopes Fabiana L, Nascimento Isabella, Freire Rafael C, Veras Andre B, Zin Walter A
Abstract excerpt
Our aim was to compare the demographic and psychopathological features of panic disorder (PD) patients who underwent hyperventilation and breath-holding challenge tests, and to describe the features of patients who had a panic attack after both tests versus those patients who did not experience panic after either test. Eighty-five PD patients were induced to hyperventilate (30 breaths/min) for 4 min, and a week...
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