Key result
Higher anxiety and stress are linked to more intense cardiopulmonary symptoms at comparable physiological arousal.
Observational (n=51)
Standardized exercise testing reveals that patients with palpitations who are more anxious and stressed report more intense cardiopulmonary symptoms at comparable levels of physiological arousal.
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May explain discrepant symptoms in anxious patients; leaves open causal mechanisms and need for prospective trials.
Barsky et al. (1998) conducted an observational in Palpitations (n=51). Standardized treadmill exercise testing was evaluated on Symptom severity at 80% of predicted maximal exercise capacity and magnitude of physiological arousal necessary to induce initial discomfort. Standardized treadmill exercise testing demonstrated that more anxious and stressed patients reported more intense cardiopulmonary symptoms at comparable levels of physiological arousal.
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