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Carotid doppler ultrasound normal values
Carotid doppler ultrasound normal values




carotid doppler ultrasound normal values

We use the abbreviation “MC” throughout this section to designate a medical consultant.ī. This term does not include medical sources who provide consultative examinations for us. Medical consultant is an individual defined in §§ 404.1616(a) and 416.1016(a). What do the following terms or phrases mean in these listings?Ī. What do we consider in evaluating cardiovascular impairments? The listings in this section describe cardiovascular impairments based on symptoms, signs, laboratory findings, response to a regimen of prescribed treatment, and functional limitations.ģ. We will evaluate peripheral vascular disease under 4.11 or 4.12 and impairments of another body system(s)under the listings for that body system(s).Ģ. The central nervous system, the eyes, the kidneys, and other organs. Disorders of the veins or arteries (for example, obstruction, rupture, or aneurysm) may cause impairments of the lower extremities (peripheral vascular disease), (iv) Central cyanosis due to right-to-left shunt, reduced oxygen concentration in the arterial blood, or pulmonary vascular disease.Ĭ. (iii) Syncope, or near syncope, due to inadequate cerebral perfusion from any cardiac cause, such as obstruction of flow or disturbance in rhythm or conduction resulting in inadequate cardiac output.

carotid doppler ultrasound normal values

(ii) Discomfort or pain due to myocardial ischemia, with or without necrosis of heart muscle. (i) Chronic heart failure or ventricular dysfunction. Cardiovascular impairment results from one or more of four consequences of heart disease: The disorder can be congenital or acquired.ī.

carotid doppler ultrasound normal values

We mean any disorder that affects the proper functioning of the heart or the circulatory system (that is, arteries, veins, capillaries, and the lymphatic drainage). What do we mean by a cardiovascular impairment?Ī.






Carotid doppler ultrasound normal values