Signs

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Signs (Medicine)

Signs (pronunciation: /saɪnz/) in the context of medicine, refer to objective evidence of disease perceivable by the examining physician. Unlike symptoms, which are subjective and reported by the patient, signs are discovered through physical examination or laboratory tests. The term originates from the Latin word "signum," meaning a mark or token.

Types of Signs

There are various types of signs in medicine, including:

  • Vital Signs: These are measurements of the body's most basic functions, such as heart rate, blood pressure, body temperature, and respiratory rate.
  • Cardinal Signs: These are the primary signs that physicians use to diagnose disease. They include redness, swelling, heat, pain, and loss of function.
  • Physical Signs: These are signs that a doctor can observe or measure during a physical examination, such as a rash or a heart murmur.

Importance of Signs

Signs play a crucial role in the diagnosis and management of diseases. They provide objective evidence that can support or refute the presence of a particular condition. In combination with symptoms, they form the basis of clinical diagnosis.

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