Surgical management of acute wound in the ED – Post Test

Following scar formation, the affected skin regains almost 100% of its original tensile strength

In using an Ultrasound scan to detect foreign body in wounds; the sensitivity for a radiolucent object is generally low.

All patients who present with an acute wound to the ED must have prophylactic antibiotics to prevent secondary infection. 

The following are high-risk wound infection where routine antibiotics may be prescribed to prevent wound infection except

A 24-year-old lady presents to the ED following deliberate self-harm. She has a deep laceration on her right thigh requiring primary closure. What is the maximum allowable subcutaneous dose of 1% Lidocaine without adrenaline required to anaesthetize her wound: (Her body weight-60kg)

Non-tooth forceps have a better grip quality over the toothed forceps; thus, a piece of essential equipment needed for wound closure involving the skin surface. 

The monofilament suture is the generally preferred non-absorbable suture for skin closure due to its association with low infection risk.

The followings are tetanus prone wounds except

A 45-year-old gentleman has just had his scalp wound sutured in the ED. He wants to know when the appropriate time is to have his stitches removed.

Due to its vasoconstriction effect, the addition of adrenaline to Lidocaine increases the rate of wound healing and lower resistance to infection.