A sign can be defined as an objective, observable physical manifestation of illness that is identifiable and perceived by an observer such as a physician (medical doctor). Thus, a sign is an objective evidence of an illness that are mainly seen by a physician (medical doctor), patient, and other people.
Some examples of signs are swelling, sweating, high blood pressure, skin rash, blisters, and fast heart rate.
In Medicine, there are four (4) main types of signs and these include;
On the other hand, a symptom can be defined as a clinical manifestation of illness that is identifiable, recognized or apparent only to a patient. Thus, a symptom is a subjective evidence of an illness that is mainly perceived by patients only. Some examples of symptoms are pain, fatigue, dizziness, thirst, and cramping.
In Medicine, there are three (3) main types of symptoms and these include;
In this scenario, the signs and symptoms of an illness are identified and classified as:
1. Signs = swelling, high blood pressure, and fast heart rate.
2. Symptoms = pain, dizziness, and cramping.
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