Definition

1. Noun:
   • A blood blister or hematoma: A localized collection of blood outside the blood vessels, typically clotted, often appearing as a swelling or lump under the skin or within tissues, caused by injury or trauma.

Usage Examples

• Noun:
  • Sau khi bị va đập, anh ấy có một bọc máu lớn trên đùi. (After the impact, he had a large hematoma on his thigh.)
  • Bọc máu dưới móng tay thường rất đau. (A blood blister under the fingernail is often very painful.)
  • Bác sĩ nói bọc máu nhỏ đó sẽ tự tiêu sau vài ngày. (The doctor said that small hematoma will resolve on its own in a few days.)

Advanced Usage

• Medical Context: In clinical settings, 'bọc máu' specifically refers to a hematoma, which is a more significant collection of blood than a simple bruise (vết bầm tím).
  • Chấn thương sọ não có thể dẫn đến bọc máu nội sọ. (A traumatic brain injury can lead to an intracranial hematoma.)

Variants and Related Words

• Tụ máu: This is a direct synonym often used interchangeably with 'bọc máu' to mean a hematoma or localized blood collection.
• Máu bầm / Vết bầm tím: Refers to a bruise or contusion, which is a simpler discoloration under the skin from broken capillaries, generally less severe than a 'bọc máu'.
• Khối máu tụ: A more formal or descriptive term for a blood clot mass or hematoma.

Synonyms

• Hematoma (Medical term in English).
• Blood blister (Specifically for small, blister-like collections, often in English).

Related Phrases / Collocations

• Hình thành bọc máu: to form a hematoma.
  • Vết thương đang hình thành một bọc máu. (The wound is forming a hematoma.)
• Chọc hút bọc máu: to aspirate/drain a hematoma.
  • Thủ thuật chọc hút bọc máu được thực hiện để giảm sưng. (The procedure to aspirate the hematoma was performed to reduce swelling.)