Sustained contraction of the diaphragm, the mechanism of a common type of dyspnea and precordial pain.
D003964:Diaphragm; D004417:Dyspnea; D006801:Humans; D009119:Muscle Contraction; D010146:Pain
DIAPHRAGM/sustained contraction, and dyspnea; DYSPNEA/mechanism diaphragmatic contraction); PRECORDIAL/pain, due to diaphragm contraction