Chart — Geriatrics
Aging Changes vs Abnormal Findings Chart
Every system changes with age — but disease is not normal aging. This chart puts the expected change next to the abnormal finding it gets confused with, so the right things get worked up.
Educational use only. Use this to frame assessment questions, not to rule out disease — new or progressive findings warrant provider evaluation. This material supports nursing education and exam review. It is not medical advice and is not a substitute for clinical judgment, institutional policy, or medical direction. Always follow facility protocols and current provider orders.
Normal Aging vs Abnormal, by System
| System | Expected Aging Change | Never Just Aging — Work It Up |
|---|---|---|
| Cardiovascular | Slightly slower HR response to stress; isolated systolic BP creep; S4 may be heard | Chest pain, syncope, new murmur, irregular rhythm, HR under 50 or over 100 at rest |
| Respiratory | Reduced vital capacity and cough strength; mild decrease in PaO₂ | Dyspnea at rest, SpO₂ below 90–92%, new productive cough, respiratory rate over 24 |
| Neurologic | Slower processing speed; benign forgetfulness (recalls later); lighter sleep | Disorientation, inattention, getting lost in familiar places, focal weakness, new tremor |
| Renal / GU | Decreased GFR reserve; nocturia 1×; urinary urgency | Incontinence (always evaluable), oliguria, hematuria, retention |
| GI | Slower motility; mild constipation tendency; decreased thirst | Weight loss, dysphagia, melena, persistent vomiting, new severe constipation |
| Musculoskeletal | Mild sarcopenia; slower gait; reduced flexibility | Falls, focal weakness, acute joint swelling, fracture with minimal trauma |
| Skin | Thinner, drier skin; slower healing; senile purpura on forearms | Pressure injury, non-healing wound, suspicious lesion, unexplained bruising patterns |
| Sensory | Presbyopia, presbycusis (high-frequency loss), reduced taste | Sudden vision or hearing loss, eye pain, new flashes or floaters |
Decreased physiologic reserve means stressors decompensate older adults faster — trend findings against the individual baseline.
NCLEX Pearls
- ✦Confusion, incontinence, falls, and weight loss are the four findings most wrongly attributed to age — each one is a workup, not a shrug.
- ✦Benign forgetfulness: misplaces keys but retraces steps. Concerning: cannot use the keys or gets lost driving home.
- ✦Decreased thirst plus decreased renal reserve = dehydration risk; do not wait for the patient to report thirst.
- ✦Lower PaO₂ with age is mild — an SpO₂ in the 80s is never an age-expected finding.
Related Resources
Standards & sources
Fact-checked Jun 21, 2026This page is written to align with American Geriatrics Society (AGS) · AGS Beers Criteria. It is an educational summary, not a citation of any single document — always verify specific doses, values, and protocols against current guidelines and your facility policy. How we source content →