Events and conditions associated with spontaneous coronary artery dissection

Acute triggers
Emotional stress	Loss of a loved one or other traumatic event.
Intense exercise	Often isometric.
Recreational drugs	Including cocaine, methamphetamines.
Potential causative conditions
Hormonal	Endogenous and exogenous sex hormones such as estrogen and progesterone may trigger spontaneous coronary artery dissection. Pregnancy, antepartum, or postpartum period. Labor.
Systemic inflammatory conditions	Including systemic lupus erythematosus, Crohn disease, polyarteritis nodosa, sarcoidosis.
Connective tissue disorders	Fibromuscular dysplasia, Marfan syndrome, Ehlers-Danlos syndrome, cystic medial necrosis.

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