Diagnostic Assessment — Abdomen - Gastroenteritis
Example 1 of 1 · fictitious patient (Veteran P)
Diagnostic Assessment
Abdomen - Gastroenteritis
No SOP available for this condition - Gastroenteritis A09
ADF History
The veteran, Date of Birth: [withheld] Warehouse Operator, enlistment date 15/08/2012, discharge date 16/06/2015.
Occupational History
As a Warehouse Operator in the Australian Army, the veteran would have been exposed to various occupational hazards including communal living conditions typical of military environments, shared dining facilities and mess halls, potential exposure to contaminated water sources during field exercises, communal bathroom and washing facilities, shared accommodation blocks, and the general military environment with increased risk of infectious disease transmission due to close quarters living and working arrangements with frequent contact between personnel.
History
The veteran a Warehouse Operator with the Australian Army, developed an episode of acute gastroenteritis in February 2013 during his military service. The condition presented with typical gastrointestinal symptoms secondary to likely contaminated food consumption in the military mess environment and was managed conservatively with supportive care.
Timeline
- 10 Jan 2012 - the veteran developed initial symptoms of gastroenteritis at approximately 1600 hours, experiencing the onset of "stomach cramps and diarrhoea" following consumption of food in the military mess hall. The temporal relationship between food consumption and symptom onset suggested a foodborne illness consistent with bacterial or viral gastroenteritis commonly seen in communal dining environments. Initial symptoms included abdominal cramping and loose bowel movements that progressively worsened throughout the evening and overnight hours.
- 11 Jan 2012 - the veteran presented to military medical services with established gastrointestinal symptoms, reporting ongoing "stomach cramps described as tightness and annoyance" with multiple episodes of diarrhea overnight. Physical examination revealed normal bowel sounds with no abdominal tenderness, and vital signs remained stable throughout the assessment. He denied the presence of blood or mucus in stool and reported no associated vomiting, which helped classify this as uncomplicated gastroenteritis. Medical assessment established a working diagnosis of "?gastritis ?gastroenteritis"based on the clinical presentation, symptom pattern, and exposure history consistent with foodborne illness in the military dining environment.
- 11 Jan 2012 - Conservative management was initiated including oral rehydration therapy to prevent dehydration and dietary modification with simple, easily digestible foods to minimize gastrointestinal irritation. He was placed on limited duties specifically restricting physical training activities to allow for recovery and prevent exacerbation of symptoms through physical exertion. Medical advice included monitoring for symptom progression and instructions to return for reassessment if symptoms worsened, persisted beyond expected timeframes, or if new concerning features developed. No stool sampling was performed at the time despite the likely bacterial etiology.
Symptoms
At the time of presentation, the veteran experienced acute onset abdominal cramping described as tightness and discomfort, accompanied by multiple episodes of watery diarrhea without blood or mucus. He denied nausea, vomiting, or systemic symptoms such as fever. The symptoms were consistent with acute gastroenteritis likely secondary to consumption of contaminated food in the military mess environment. Following conservative management with oral rehydration and dietary modification, symptoms resolved spontaneously within the expected timeframe for acute gastroenteritis. Current symptoms are not documented as this was an acute, self-limiting condition that resolved completely with supportive care.
Imaging
No imaging studies were performed for this condition as the clinical presentation and benign physical examination findings were consistent with uncomplicated gastroenteritis not requiring radiological investigation.
1. What is the formal diagnosis of the condition claimed above?
Acute Gastroenteritis (A09)
There is no Statement of Principles available for gastroenteritis as this condition is not typically considered service-related under DVA compensation schemes.
Acute gastroenteritis is an infection presenting as an acute illness with associated gastrointestinal symptoms including abdominal pain, nausea, vomiting, anorexia and change in stool consistency and frequency. The condition is characterized by inflammation of the gastrointestinal tract, particularly affecting the stomach and small intestine, typically caused by viral, bacterial, or parasitic infections. Most cases are self-limiting, resolving within 3-7 days with supportive care. Diagnosis is primarily clinical based on symptom presentation, exposure history, and physical examination findings. In military settings, gastroenteritis often occurs due to contaminated food consumption in communal dining facilities or exposure to infectious agents in close-quarters living conditions.
This represents a single acute episode with complete resolution following conservative management.
2. For each diagnosis identified, please also provide the following dates:
When did the veteran first experience symptoms attributable to this condition? The veteran first experienced symptoms of gastroenteritis on 10 January 2012 at approximately 1600 hours when he developed stomach cramps and diarrhea.
When did the veteran first present to a health / medical provider for this condition? The veteran first presented to military medical services on 11 January 2012 for assessment of his gastrointestinal symptoms following overnight progression of diarrhea and cramping.
When was the condition confirmed / formally diagnosed? The condition was diagnosed on 11 January 2012 during his presentation to military medical services, where the clinical assessment established a working diagnosis of gastroenteritis based on symptom presentation, exposure history, and physical examination findings.
When did the veteran first present to you (or your practice) for this condition? 17 Jun 2021
3. How was this diagnosis confirmed? i.e. what were the key symptoms and signs, investigation results, specialist opinions? Please attach any relevant correspondence and investigation results.
The diagnosis of acute gastroenteritis was confirmed through clinical assessment based on characteristic symptom presentation, exposure history, and physical examination findings. Key symptoms included acute onset stomach cramps described as tightness and discomfort, accompanied by multiple episodes of watery diarrhea without blood or mucus, and absence of vomiting. The temporal relationship between food consumption in the military mess and symptom onset supported a foodborne etiology. Physical examination revealed normal bowel sounds with no abdominal tenderness, and vital signs remained stable. The clinical presentation was consistent with uncomplicated acute gastroenteritis likely secondary to contaminated food consumption. No stool testing was performed at the time despite the probable bacterial etiology, which represents a limitation in diagnostic confirmation. The diagnosis was primarily clinical based on symptom pattern and exposure history consistent with foodborne illness in the communal military dining environment.
4. What do you consider to be the cause(s) of the condition in this veteran? Give consideration to constitutional and common risk factors, pre-existing injuries or diseases, and occupational or lifestyle risks, as well as direct causative mechanisms.
Having consumed contaminated food, untreated surface water, or a known gastrointestinal irritant, recent travel or contact with certain animals or similarly ill people - MET. The veteran was consuming food in the military mess hall where he was exposed to communal food preparation and service. The veteran was working and living in close quarters at the time, which required communal living and frequent use of communal equipment and close quarters contact with other members within the accommodation and workplace, providing multiple opportunities for infection. The temporal relationship between food consumption and symptom onset strongly suggests foodborne gastroenteritis from contaminated food served in the military dining facility. The communal nature of military food service creates increased risk for foodborne illness outbreaks due to large-scale food preparation and service.
The military environment provided specific occupational risk factors including mandatory consumption of food prepared in communal military kitchens, shared dining facilities with high personnel turnover, communal living arrangements that facilitate person-to-person transmission, and limited alternative food sources requiring reliance on military food service. These factors created occupational exposure to gastroenteritis that exceeded typical civilian risk patterns.
Sequelae
This condition does not represent a sequelae of another known service-related condition. Gastroenteritis is an independent pathological process not causally related to other documented military service injuries or conditions.
Unintended Consequence
This condition is NOT MET as an unintended consequence of medical management. The gastroenteritis occurred spontaneously due to foodborne infection and was not related to any prior medical treatments, procedures, or medications administered during military service.
Inability to Attain Appropriate Medical Management
This factor is NOT MET. The veteran received timely and appropriate medical management for his gastroenteritis episode according to the standards of military medical care available at the time. He presented to military medical services promptly upon symptom development and received appropriate clinical assessment including physical examination and symptom evaluation. Conservative management with oral rehydration therapy and dietary modification was provided, which represents the standard of care for uncomplicated gastroenteritis. He was appropriately placed on limited duties to facilitate recovery and given clear instructions for monitoring and follow-up care. However, stool sampling was not performed despite the probable bacterial etiology, which may represent a limitation in diagnostic workup but does not constitute inability to obtain appropriate clinical management given the benign clinical course and expected recovery pattern.
The Full Federal Court in Brew v Repatriation Commission (12 July 1996) establishes that inability requires lack of ability to obtain treatment in both objective and subjective senses. In this case, appropriate treatment was readily available, promptly provided, and delivered according to contemporary military medical standards for gastroenteritis management.
The % contribution of the causes is 100% and significant.
5. Please provide a Health Summary and a medication / prescribing history.
- see attached report








