Coronary-artery spasm.
D000787:Angina Pectoris / Q000503:physiopathology*; D001158:Arteries / Q000503:physiopathology; D003331:Coronary Vessels / Q000503:physiopathology*; D006321:Heart / Q000503:physiopathology; D006801:Humans; D010146:Pain / Q000503:physiopathology; D011928:Raynaud Disease / Q000503:physiopathology; D013035:Spasm / Q000503:physiopathology; D013896:Thoracic Diseases / Q000503:physiopathology