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What is a physical examination?

2026-06-28 07:28:25

Physical examination overview

Physical examination refers to a clinical method used by doctors to systematically evaluate a patient's physical condition through sight, touch, percussion, listening and other methods. It is a basic link in disease diagnosis and health management. The main contents includeGeneral inspection(such as height, weight, vital signs),System check(e.g. heart, lungs, abdomen, nervous system) andSpecialist examination(such as gynecology, ophthalmology). Its core purpose is to detect abnormal signs, evaluate physiological functions, and provide a basis for subsequent laboratory or imaging examinations. Physical examination is non-invasive, economical and efficient, and is an indispensable part of medical practice.

Main contents of physical examination

What is a physical examination?

Physical examination usually begins withgeneral condition assessmentBegin by observing the patient's state of consciousness, measuring body temperature, pulse, respiration and blood pressure. followed byHead examination(such as pupillary reaction, oral mucosa),neck examination(Thyroid palpation, lymph node palpation) andChest examination(cardiopulmonary auscultation, thoracic morphology). The abdominal examination focuses on palpation of the liver and spleen, and auscultation of bowel sounds, while the extremity examination focuses on joint mobility, edema, and muscle strength. Specialist examinations such as nervous system reflex testing and dermatological skin lesion observation need to be carried out according to the condition.

Physical Examination Techniques and Methods

Doctors need to masterFour basic skills:Inspection(Observe skin color and body shape),Palpate(Feel the texture and tenderness of the mass),percussion(determining organ boundaries or fluid accumulation) andAuscultation(Identify abnormal heart sounds and breath sounds). For example, cardiac auscultation uses a bell-shaped or membrane-shaped stethoscope to distinguish the nature of murmurs, and abdominal palpation uses shallow and deep compressions to evaluate organ enlargement. Standardized operating techniques and systematic inspection sequences (such as "head, neck, chest, abdomen, limbs") can significantly increase the detection rate.

Clinical significance of physical examination

Physical examination can detect earlyunderlying disease, if a breast mass is found by palpation, it indicates the possibility of breast cancer, and dullness by percussion indicates pleural effusion. Combined with medical history collection, the differential diagnosis can be narrowed, for example, edema with jugular venous distention may suggest a cardiogenic cause. For chronic disease management (e.g., hypertension, diabetes), regular physical examinations can monitor complications. In addition, health screenings such as employment and school admission also rely on basic physical examination items.

Summary and Notes

The physical examination is the cornerstone of medical decision-making, but there are caveatsEnvironmental privacy protection,patient comfortandOperational standardization. Doctors should flexibly adjust the focus of examinations based on the patient's chief complaints to avoid missing key signs. With the development of medical technology, although traditional physical examinations have been partially replaced by instruments, their advantages of low cost and immediacy are still irreplaceable. It is recommended that healthy people receive a comprehensive physical examination once a year, and high-risk groups receive more frequent physical examinations according to medical advice.

Common physical examination toolsPurpose
stethoscopeAuscultation of heart and lung sounds
sphygmomanometermeasure blood pressure
percussion hammernerve reflex test
thermometerBody temperature measurement

Citing sources

1. "Diagnostics" (9th edition), People's Medical Publishing House, Editor-in-Chief: Wan Xuehong
2. World Health Organization (WHO) "Guidelines for Physical Examination in Primary Health Care"
3. Commonly used tool manufacturers: Yuyue Medical (blood pressure monitor), 3M (stethoscope), Omron (thermometer)

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