Beyond “do every test”: a pragmatic algorithm for older adults with recurrent unexplained falls

Unexplained falls require syncope evaluation

Unexplained falls are managed as syncope-likely because retrograde amnesia can mask transient loss of consciousness. Detailed history, witness information, and initial ECG and active standing guide assessment before distinguishing cardiac red flags from non-cardiac mechanisms.

Phenotype-focused assessment replaces broad testing

In non-cardiac presentations, evaluation focuses on hypotensive, bradycardic, or mixed phenotypes. CT, MRI, Doppler ultrasound, and 24-hour Holter are not useful for mechanism identification; management prioritizes blood pressure behavior and rhythm documentation during events.

24-hour BP and short autonomic testing

A pragmatic algorithm uses 24-hour blood pressure monitoring and short cardiovascular autonomic function assessment. Daytime systolic drops below 90 mmHg once or below 100 mmHg twice support a hypotensive phenotype; persistent uncertainty indicates insertable loop recorder use.

In the continuing education session “Beyond “do every test”: a pragmatic algorithm for older adults with recurrent unexplained falls,” Prof. Dr. Andrea Ungar, in a program organized by Klinik Barmelweid, presents a pragmatic diagnostic approach to unexplained falls in older adults. She emphasizes that unexplained falls increase with age and should, according to the 2018 European Society of Cardiology syncope guidelines, be considered syncope-likely because older patients may have retrograde amnesia and therefore do not report transient loss of consciousness. The lecture distinguishes accidental falls from unexplained falls and recommends, after initial history taking, witness information, ECG, and active standing blood pressure measurement, a focused evaluation for cardiac red flags versus non-cardiac syncope phenotypes. Prof. Dr. Ungar argues that, in the absence of cardiac warning signs, the key diagnostic task is to identify a hypotensive, bradycardic, or mixed phenotype rather than to pursue broad testing such as CT, MRI, Doppler ultrasound, or short Holter monitoring, which she describes as of limited utility in this context. She highlights 24-hour ambulatory blood pressure monitoring as a central tool, noting that even a single daytime systolic blood pressure value below 90 mmHg or two values below 100 mmHg strongly suggest a hypotensive phenotype, and she links orthostatic hypotension particularly to advanced age, dementia, Parkinson’s disease, and multiple medication classes. She also outlines a short standardized cardiovascular autonomic assessment including carotid sinus massage and tilt testing, and, when needed, prolonged rhythm monitoring with an insertable loop recorder to document arrhythmia during events. Overall, the session advocates a geriatric, mechanism-based algorithm that prioritizes blood pressure assessment, medication review, and targeted syncope diagnostics, while also calling for broader implementation of specialized syncope units and structured training.