Category: A

An enlarged, firm, smooth kidney usually associated with systemic amyloidosis. The condition of the kidney undergoing amyloid or waxy degeneration, which is observed in cases of amyloid degeneration. It is also known as lardaceous kidney or waxy kidney.  

One of a number of substances that increase in the blood as a result of faulty carbohydrate metabolism. Among them are β-hydroxybutyric acid, acetoacetic acid, and acetone. They increase in persons with untreated or inadequately controlled diabetes mellitus and are the primary cause of acidosis. They may also occur in other metabolic disturbances.  

The area of cardiac conduction pathway connecting the AV node with the atrioventricular bundle.  

A joint that is both ginglymoid and arthrodial.  

A gliding or plane joint between the acromion and the acromial end of the clavicle. The joint located between the outer extremity of the clavicle (collarbone) and the acromion (the prominent bony projection at the upper part of the shoulder blade) is known as the acromioclavicular joint. Injuries to the acromioclavicular joint are infrequent and…

Techniques used in addition to standard precautions to decrease transmission of microorganisms less than 5 p in size or those attached to dust particles. Patients are placed in a private room, preferably one with negative air pressure and between 6 and 12 changes of air each hour. Hospital workers should wear respirator masks when in…

Non-contraction of the pupils during accommodation.  

The reaction that follows the ingestion of excessive caffeine, usually more than 250 mg. At least five of the following side effects are experienced: restlessness, nervousness, excitement, insomnia, flushed face, gastrointestinal disturbance, muscle twitching, diuresis, rambling flow of thought and speech, tachycardia or arrhythmia, and psychomotor agitation. Other physical or mental disorders such as anxiety…

An interval between the beginning of atrial systole and ventricular systole, measured by an electrocardiogram, as the P-R interval.  

In a venous pulse tracing, the interval between the onset of the presystolic wave (a) and that of the systolic wave (c). It indicates the time required for impulses to travel from the sinoatrial node to the ventricle, normally about 0.2 sec.