5223.0190 ORGANIC HEART DISEASE.


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Subpart 1.

General.

For permanent partial disability due to organic heart disease, the disability of the whole body is set forth in subpart 2.


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Subp. 2.

Heart ratings.

The following ratings may be applied only after a compilation of a patient's complete history and a physical examination. Testing must include chest X-ray and electrocardiogram. The testing may include echocardiography, exercise testing, and radionuclide studies.
The following table sets forth symptoms of organic heart disease. The percentage of disability of the whole body is determined by the symptoms present.
Organic Heart Disease Schedule


Percentage Disability of Whole Body
10 percent
30 percent
60 percent
85 percent


Organic Heart Disease
Present
Present
Present
Present


Symptoms
Not present
Not present at rest
Not present at rest
Present at rest


Level of activity causing symptoms
No symptoms from usual activities of daily living, including such activities as stair- or hill-climbing, and walking
No symptoms from usual activities of daily living
Symptoms from a one or more block walk or from climbing stairs. Symptoms also from activities of daily living
Worsening of symptoms with any activity


Level of unusual activity causing symptoms
No symptoms from walking quickly, recreation, hill- or stair-climbing, arm-work, and similar activities
Symptoms from hill- or stair-climbing, walking quickly, arm-work, or recreation
Symptoms from emotional stress, walking quickly, and similar activities
May be present at rest or may awaken patient


Signs of heart failure
No
No
Relieved by therapy
Not usually relieved by therapy


Signs of symptoms of angina
No
With prolonged or severe exertion
With mild exertion
Rest or nocturnal symptoms


Objective tests of functional status
Ischemic S-T segment changes of at least 1 mm at or before stage 3 of a Bruce protocol exercise test, or diagnostic ischemic changes at a level of 7 METS or less in a nuclear isotope exercise study
Ischemic S-T segment changes of at least 1 mm at or before stage 2 of a Bruce protocol exercise test, or diagnostic ischemic changes at a level of 4 METS or less in a nuclear isotope exercise study
Ischemic S-T segment changes of at least 1 mm at or before stage 1 of a Bruce protocol exercise test, or diagnostic ischemic changes at a level of 2 METS or less in a nuclear isotope exercise study
Diagnostic ischemic S-T segment changes of at least 1 mm on resting electro-cardiogram