Time of occurence of secondary haemorrhage after tonsillectomy –
**Core Concept**
Secondary hemorrhage after tonsillectomy is a potentially life-threatening complication that can occur several days after the surgery. This condition is often caused by infection, dislodgement of the clot, or other factors that compromise the healing process of the surgical site.
**Why the Correct Answer is Right**
Secondary hemorrhage typically occurs between the 5th and 14th postoperative day, with the majority of cases occurring between the 7th and 10th day. This delayed onset is due to the body's natural response to the surgical trauma, including inflammation, infection, and the breakdown of the clot that initially sealed the wound. The most common causes of secondary hemorrhage include infection, particularly with bacteria such as Streptococcus and Staphylococcus, which can invade the wound site and cause tissue damage.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because secondary hemorrhage is typically not an immediate complication of tonsillectomy, but rather a delayed one. While bleeding can occur in the first 24 hours after surgery, secondary hemorrhage is a distinct entity that occurs at a later time.
**Option B:** This option is incorrect because while infection is a common cause of secondary hemorrhage, it is not the only possible cause. Other factors, such as dislodgement of the clot or poor wound healing, can also contribute to this complication.
**Option C:** This option is incorrect because the timing of secondary hemorrhage is not typically immediate, but rather delayed. While some bleeding can occur in the first 24 hours after surgery, secondary hemorrhage is a distinct entity that occurs at a later time.
**Option D:** This option is incorrect because while bleeding can occur in the first 24 hours after surgery, secondary hemorrhage is a distinct entity that occurs at a later time. The causes and timing of secondary hemorrhage are different from those of immediate postoperative bleeding.
**Clinical Pearl / High-Yield Fact**
It's essential to monitor patients for signs of secondary hemorrhage, such as excessive bleeding, fever, or discomfort, particularly between the 5th and 14th postoperative day. If suspected, prompt evaluation and management are critical to prevent further complications.
**Correct Answer: C. 7th to 10th postoperative day.**