You searched for: “tussive syncope
tussive syncope
Fainting as a result of a coughing spell, caused by persistent increased intrathoracic pressure (within the cavity of the chest) diminishing venous return to the heart (blood returning to the heart via the great veins and coronary sinus), thus lowering cardiac output.

It most often occurs in heavy-set male smokers who have chronic bronchitis.

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