Diagnostic Assessment — Hypertension
Example 1 of 1 · fictitious patient (Veteran U)
Diagnostic Assessment
Hypertension
SOP Codes: Balance of Probabilities: Statement of Principles concerning Hypertension (No. 22 of 2022) Reasonable Hypothesis: Statement of Principles concerning Hypertension (Reasonable Hypothesis) (No. 23 of 2022)
ADF History
The veteran, Aviation Technician (Avtech), enlisted Mar 1983, discharged 2014-2018 (various periods).
Occupational History
Aviation Technicians in the Royal Australian Air Force are responsible for maintaining, servicing, and repairing sophisticated aircraft. Their duties involve exposure to various occupational hazards including chemical exposures to solvents, cleaning agents, adhesives, paints, and hydraulic fluids. Physical hazards include significant noise from aircraft engines and maintenance equipment, vibration from tools and machinery, ergonomic stresses from working in awkward postures and confined spaces, electrical hazards from aircraft systems, fall risks from working at heights, and fire/explosion risks from handling flammable substances. Work environments vary from flight lines and hangars to workshops, often requiring work outside normal hours and exposure to inclement weather conditions.
History
The veteran an Aviation Technician in the RAAF, developed hypertension with elevated blood pressure readings first noted in 1998 and confirmed through ambulatory monitoring in 2007, likely related to occupational stress and lifestyle factors during his military service.
Timeline
16 December 1991 - the veteran presented for a fitness test clearance where his blood pressure was recorded at 140/95 mmHg. This reading was noted to have been taken after he had consumed three coffees and was smoking, which may have contributed to the elevation. The medical officer documented this as an elevated reading requiring follow-up monitoring. A review was scheduled for one month later to reassess his blood pressure status. This marked the first documented evidence of elevated blood pressure in his medical records during his military service.
12 Jan 2001 - During a health examination for reserve posting, the veteran blood pressure was recorded at multiple elevated readings: 160/100 mmHg, which was rechecked and showed 150/90 mmHg and 145/99 mmHg. These consistently elevated readings indicated hypertension requiring further investigation. The examining medical officer queried whether this might be "white coat syndrome" and recommended 24-hour ambulatory blood pressure monitoring to obtain a more accurate assessment of his blood pressure profile outside the clinical setting.
05-14 Mar 2001 - A 24-hour ambulatory blood pressure monitoring study was conducted which showed an average blood pressure of 151/103 mmHg. The report described this as moderate systolic & diastolic hypertension that was most pronounced during waking hours. This monitoring provided definitive confirmation of his hypertensive condition, ruling out white coat syndrome and establishing the need for ongoing medical management and lifestyle modifications.
01 June 2001 - Clinical notes documented a significantly elevated blood pressure reading of 170/110 mmHg during a medical consultation. Home blood pressure readings were reported to be 90% greater than 150/90 mmHg, with one particularly concerning reading of 170/110. These findings reinforced the severity of his hypertension and the need for more aggressive management strategies, including consideration of antihypertensive medications.
29 February 2003 - During a Comprehensive Preventive Health Examination, the veteran blood pressure was recorded at 120/75 mmHg, indicating good control. He was documented as taking Norvasc 5mg daily for management of his hypertension. This represented a successful response to antihypertensive therapy, demonstrating that his condition was well-controlled with appropriate medication management during this period of his service.
Symptoms
At the initial presentation in 1998, the veteran had no specific symptoms related to hypertension, with the elevated blood pressure being detected during routine medical screening. The elevated readings were noted in the context of recent caffeine consumption and smoking. Following the 2007 confirmation of hypertension through ambulatory monitoring, he experienced no documented hypertensive symptoms but required ongoing medical management. His current symptoms include managed hypertension with medication, representing a chronic condition requiring ongoing monitoring and treatment to prevent cardiovascular complications.
Imaging
No specific imaging studies were documented for hypertension evaluation. Blood pressure monitoring through ambulatory 24-hour monitoring on 05-14 Mar 2001 showed average 151/103 mmHg, moderate systolic & diastolic hypertension.
1. What is the formal diagnosis of the condition claimed above?
Hypertension (ICD-10: I10 - Essential hypertension)
The applicable DVA Statement of Principles is Hypertension (Balance of Probabilities) No. 22 of 2022.
Hypertension is a chronic medical condition characterized by persistently elevated blood pressure in the arteries. It is defined as systolic blood pressure consistently above 140 mmHg and/or diastolic blood pressure consistently above 90 mmHg, or the requirement for antihypertensive medication to maintain normal blood pressure levels. Essential hypertension, which accounts for 90-95% of cases, has no identifiable underlying cause but results from a complex interplay of genetic, environmental, and lifestyle factors. The condition increases the risk of cardiovascular disease, stroke, kidney disease, and other serious health complications if left untreated.
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 elevated blood pressure on 16 December 1991, though this was initially asymptomatic and detected during routine medical screening.
When did the veteran first present to a health / medical provider for this condition? He first presented to a medical officer on 16 December 1991 during a fitness test clearance where the elevated blood pressure was initially detected.
When was the condition confirmed / formally diagnosed? The condition was confirmed and formally diagnosed on 05-14 Mar 2001 through 24-hour ambulatory blood pressure monitoring conducted by the treating doctor, which showed average readings of 151/103 mmHg, described as moderate systolic and diastolic hypertension.
When did the veteran first present to you (or your practice) for this condition? 21 November 2014
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 hypertension was confirmed through multiple elevated blood pressure readings and 24-hour ambulatory monitoring. Key findings included initial elevated reading of 140/95 mmHg in 1998, followed by consistently elevated readings in 2007 (160/100, 150/90, 145/99 mmHg). The definitive confirmation came through 24-hour ambulatory blood pressure monitoring on 05-14 Mar 2001, which demonstrated an average blood pressure of 151/103 mmHg, described as moderate systolic and diastolic hypertension. Home blood pressure monitoring showed readings consistently above 150/90 mmHg in 90% of measurements. The condition required antihypertensive medication (Norvasc 5mg daily) for management, which successfully controlled his blood pressure to 120/75 mmHg by 2009.
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.
Factor 9(1): being overweight or obese for at least the 5 years before the clinical onset of hypertension
- The veteran had a BMI of 30.2 in November 1999 and continued to be obese with BMI 31.05 in 2009 and 32.4 in 2021. Given his obesity was documented from 2003 onwards and his hypertension clinical onset was around 1998-2007, this factor is MET as he was overweight/obese for the required period before clinical onset.
Factor 9(12): having a clinically significant disorder of mental health as specified at the time of the clinical onset of hypertension
- The veteran has documented anxiety state (unspecified) recorded in 2021 and a history of depression and anxiety noted in risk factor assessments. While anxiety disorder is listed in the specified mental health conditions, the timing of formal diagnosis relative to hypertension onset is unclear. This factor is PARTIALLY MET given the documented mental health conditions.
Factor 9(17): inability to undertake any physical activity greater than 3 METs for at least the 1 year before the clinical onset of hypertension
- There is no documented evidence that the veteran was unable to undertake physical activity greater than 3 METs before his hypertension onset. He was serving as an Avtech requiring physical fitness and was noted as feeling capable of passing Physical Fitness Tests. This factor is NOT MET.
Factor 9(37): inability to obtain appropriate clinical management for hypertension
- While there was a delay between initial detection (1998) and formal diagnosis/treatment (2007), the veteran received appropriate medical monitoring and was ultimately treated with antihypertensive medication (Norvasc) which successfully controlled his blood pressure. This factor is NOT MET as he received appropriate clinical management once diagnosed.
Sequelae
Hypertension is not considered a sequelae of another known condition in this case, but rather a primary condition that developed due to multiple risk factors including obesity and occupational stress.
Unintended Consequence
The hypertension is not considered an unintended consequence of medical management, as no specific medical procedures or medications were documented as causing the condition.
Inability to Attain Appropriate Medical Management
There was a period between initial detection of elevated blood pressure in 1998 and formal diagnosis with ambulatory monitoring in 2007. However, once properly diagnosed, the veteran received appropriate medical management with antihypertensive medication (Norvasc) which successfully controlled his blood pressure. The Full Federal Court in Brew v Repatriation Commission emphasizes that "inability" encompasses both objective and subjective barriers to obtaining treatment. While there was some delay in formal diagnosis and treatment initiation, the medical records show that appropriate clinical management was ultimately provided and was effective in controlling his hypertension. This factor is NOT MET as appropriate clinical management was eventually obtained and was effective.
The % contribution of the causes is 100% and significant.
5. Please provide a Health Summary and a medication / prescribing history. -see attached report
