Common use of Deafness Clause in Contracts

Deafness. A definite diagnosis of the total and irreversible loss of hearing in both ears, with an auditory threshold of 90 decibels or greater within the speech threshold of 500 to 3,000 hertz. A definite diagnosis of death of heart muscle due to obstruction of blood flow, that results in a rise and fall of cardiac biomarkers to levels considered diagnostic of acute myocardial infarction, with at least one of the following: • heart attack symptoms; • new electrocardiographic (ECG) changes consistent with a heart attack; or • development of new pathological Q waves on ECG following an intra-arterial cardiac procedure including, but not limited to, coronary angiography and/or angioplasty.