What are the treatment options for a 73-year-old patient with a laceration on the finger caused by a mower (lawnmower) blade?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: April 7, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Guidelines

For a 73-year-old patient with a cut on their finger from a mower blade, immediate wound care with thorough irrigation with warm or room temperature potable water and application of antibiotic ointment is crucial to prevent infection and promote healing. According to the 2010 American Heart Association and American Red Cross guidelines for first aid 1, superficial wounds and abrasions should be thoroughly irrigated with a large volume of warm or room temperature potable water with or without soap until there is no foreign matter in the wound. The wound should then be covered with an antibiotic ointment or cream and a clean occlusive dressing to reduce the risk of infection.

The patient should also seek medical attention promptly as mower blade injuries carry a high risk of infection due to soil contamination. Tetanus prophylaxis may be needed if the patient hasn't had a booster within the past 5 years, as recommended by the Centers for Disease Control and Prevention (CDC) 1. It is essential to watch for signs of infection, including increasing redness, swelling, warmth, pus, or red streaks extending from the wound. If the cut is deep, gaping, or involves tendon or bone injury, stitches may be required, ideally within 6-8 hours of injury. Elevating the hand above heart level can help reduce swelling, and over-the-counter pain relievers like acetaminophen (500-1000mg every 6 hours) or ibuprofen (400-600mg every 6-8 hours) can manage pain if not contraindicated by other medical conditions.

Key considerations in managing this patient's wound include:

  • Thorough irrigation with warm or room temperature potable water
  • Application of antibiotic ointment or cream
  • Covering the wound with a clean occlusive dressing
  • Seeking medical attention promptly for tetanus prophylaxis and further evaluation
  • Monitoring for signs of infection and managing pain as needed.

From the Research

Wound Care and Tetanus Prevention

  • The patient, Pt 73, has a cut on their finger from a mower blade, which is a tetanus-prone wound 2.
  • Cleansing and debridement of the wound is crucial to prevent tetanus and promote healing 2, 3.
  • The use of antibiotics, such as tetracycline, may have a prophylactic effect against tetanus if given soon after injury 2.

Tetanus Prophylaxis and Treatment

  • If the patient has been actively immunized with toxoid injections, a "booster" injection is indicated 2.
  • The use of antitoxin is hazardous and should be weighed against the possibility of tetanus development in each case 2, 4.
  • Human antitetanus immunoglobulin or equine antitetanus sera can be used to neutralize tetanus toxin 4.

Wound Infection Prevention and Management

  • Wound infection can lead to delayed healing, chronicity, and increased healthcare costs 5.
  • Identifying and managing wound infection early is crucial to promote faster wound healing and reduce negative outcomes 5.
  • A holistic wound assessment is necessary to select the most appropriate cleansing solution and technique 3.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

How to cleanse a wound.

Nursing standard (Royal College of Nursing (Great Britain) : 1987), 2022

Research

Pharmacological management of tetanus: an evidence-based review.

Critical care (London, England), 2014

Research

An overview of the prevention and management of wound infection.

Nursing standard (Royal College of Nursing (Great Britain) : 1987), 2022

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.