No Mark on Her Neck: Assessing and Documenting Nonfatal Strangulation in the Emergency Department
Student Name
Master of Science in Nursing Program, Aspen University
N560: Forensic Nursing
Instructor Name
Month Day, Year
No Mark on Her Neck: Assessing and Documenting Nonfatal Strangulation in the Emergency Department
A composite 29-year-old woman comes to the emergency department at 2 a.m. with a headache and a hoarse voice. She says her boyfriend "choked" her during an argument two hours earlier. Her neck shows no bruising, redness or abrasion. The triage note reads "alleged choking, no visible injury," and she is assigned a low-acuity bed. Nothing in the note would help her if she returned, and nothing would tell the next clinician that her risk of being killed has just risen sharply.
Nonfatal strangulation is common in intimate partner violence, easy to miss and highly dangerous. This paper explains why the absence of visible injury is the rule rather than the exception, reviews the evidence linking strangulation to later homicide, sets out the forensic nursing assessment, discusses the decision about imaging, and describes documentation and safety planning, concluding with recommendations for emergency departments.
Why Strangulation Often Leaves No Mark
Strangulation is external pressure on the neck that impedes blood flow or airflow. Loss of consciousness can occur within seconds when the carotid arteries or jugular veins are compressed, well before enough force is applied to leave a bruise. In a review of 300 strangulation cases submitted for prosecution in San Diego, Strack et al. (2001) found that most victims had no visible injuries or injuries too minor to photograph, and that police and prosecutors, lacking training, tended to overlook symptoms and rely too heavily on visible signs, so opportunities for more serious charges were missed. A companion article from the same study proposed a clinical protocol for evaluating survivors, noting how little of the medical literature had addressed the living victim rather than autopsy findings (McClane et al., 2001).
The lesson for nurses is that the patient's history and symptoms are the primary evidence. Voice changes, difficulty or pain with swallowing, neck pain, breathing difficulty, lightheadedness or loss of consciousness, loss of bladder or bowel control, visual changes and small pinpoint hemorrhages called petechiae on the face, eyelids or conjunctivae are all significant, even when the skin of the neck looks normal.
Strangulation as a Warning of Homicide
Strangulation matters beyond the immediate injury because of what it predicts. In a case-control study comparing 506 women who were killed or nearly killed by a partner with 427 abused women, Glass et al. (2008) found that nonfatal strangulation had occurred in 10% of the abused controls but in 45% of attempted homicides and 43% of homicides. Prior nonfatal strangulation was associated with more than six times the odds of becoming an attempted homicide victim and more than seven times the odds of being killed. The authors called for screening for strangulation whenever abused women are assessed in emergency departments.
For the patient in the opening case, this means the most important finding in her visit may be the history she has just given. An assessment that treats her headache and discharges her without a safety plan misses the greatest risk to her life.
The Forensic Nursing Assessment
The assessment begins with a trauma-informed interview conducted privately, away from the partner. The nurse asks directly whether anyone put hands, an arm or an object around her neck, how long the pressure lasted, whether she lost consciousness, urinated or defecated, and what she felt and heard. Her answers are recorded in her own words. Physical examination includes the neck, including behind the ears and under the jaw, the face and scalp for petechiae, the eyes and conjunctivae, the mouth and the voice. Vital signs, oxygen saturation and a neurological examination follow, because delayed complications can include stroke from injury to the carotid or vertebral arteries and airway swelling.
Any findings are measured, photographed with a scale where possible and marked on a body diagram, and the absence of visible injury is documented as a finding rather than a conclusion: "no visible external injury to the neck noted on examination" is accurate, while "no evidence of strangulation" is not.
The Imaging Decision
Whether to image the neck vessels is a medical decision, but nurses influence it by eliciting and reporting the symptoms that drive it. Some protocols recommend computed tomography angiography for patients with loss of consciousness, neurological symptoms, petechiae or significant neck findings. The yield of imaging varies. In a retrospective study of 425 patients seen after nonfatal strangulation at two Australian trauma centers, Williamson et al. (2021) found vascular injury to be infrequent and noted that clear guidelines for evaluation remain limited. The practical implication is that imaging decisions should rest on a careful, documented symptom history, which is exactly what a forensic nursing assessment provides, and that patients discharged without imaging should receive clear instructions about delayed symptoms such as new weakness, speech difficulty or worsening breathing.
Safety Planning and Reporting
Every patient who discloses strangulation by a partner should receive a lethality or danger assessment, information about local advocacy services, and help with a safety plan before discharge. Reporting obligations for adult victims vary by state, and many states have made strangulation a felony, which makes accurate documentation especially consequential. The nurse follows hospital policy and state law on reporting, and, whatever the law requires, ensures the patient knows her options.
Documentation also serves the patient's future. A precise record of symptoms, such as a hoarse voice, difficulty swallowing and a brief loss of consciousness, can support a protective order months later even if the patient chooses not to involve police that night. The nurse should record when the strangulation happened, how long it lasted by the patient's estimate, what was used and whether the patient thought she might die, since that fear is itself a recognized marker of danger. The discharge instructions should be written plainly and, if safe, given in a form the patient can keep, with a telephone number for the local advocacy program that she can reach at any hour.
Recommendations and Conclusion
Emergency departments should add a direct strangulation question to intimate partner violence screening, use a standard strangulation documentation template that prompts for symptoms, petechiae and neurological findings, train staff that absence of visible injury does not mean absence of strangulation, and link every disclosure to a danger assessment and advocacy. Nonfatal strangulation is often invisible, frequently dismissed and strongly associated with later homicide. The forensic nurse's assessment, which listens for symptoms, documents them in the patient's own words and connects her to safety, can change both the legal outcome and the patient's chance of survival. For the woman with no mark on her neck, that assessment is the most important care she will receive that night.
References
Glass, N., Laughon, K., Campbell, J., Block, C. R., Hanson, G., Sharps, P. W., & Taliaferro, E. (2008). Non-fatal strangulation is an important risk factor for homicide of women. Journal of Emergency Medicine, 35(3), 329-335. https://doi.org/10.1016/j.jemermed.2007.02.065
McClane, G. E., Strack, G. B., & Hawley, D. (2001). A review of 300 attempted strangulation cases part II: Clinical evaluation of the surviving victim. Journal of Emergency Medicine, 21(3), 311-315. https://doi.org/10.1016/S0736-4679(01)00400-0
Strack, G. B., McClane, G. E., & Hawley, D. (2001). A review of 300 attempted strangulation cases part I: Criminal legal issues. Journal of Emergency Medicine, 21(3), 303-309. https://doi.org/10.1016/S0736-4679(01)00399-7
Williamson, F., Collins, S., Dehn, A., & Doig, S. (2021). Vascular injury is an infrequent finding following non-fatal strangulation in two Australian trauma centres. Emergency Medicine Australasia, 34(2), 223-229. https://doi.org/10.1111/1742-6723.13863
How this N 560 Module 6 example is structured
Aspen does not publish N560 module prompts, so check your classroom for the exact instructions. This example opens with a missed case, explains why strangulation leaves few visible signs, reviews the homicide risk evidence, sets out the forensic assessment, discusses imaging with balanced evidence, covers safety planning and reporting and ends with department recommendations.
N560 Module 6 questions, answered
What does N560 Module 6 usually ask for?
Aspen's N560 description ties forensic nursing to reducing interpersonal violence, and a paper on assessing and documenting one form of violence, such as strangulation, is a typical module shape. Check your classroom for the exact focus.
Why do many strangulation victims have no visible injuries?
Compressing the blood vessels of the neck can cause unconsciousness within seconds, often before enough force is applied to bruise the skin. Symptoms such as voice change, trouble swallowing and loss of consciousness are often the main evidence.
Is choking the right word to document?
Record the patient's own words in quotation marks, even if she says choked, and use strangulation in your own clinical description, since choking medically refers to an internal airway obstruction.
Write yours, or have the desk draft it
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