A nurse is unable to palpate a dorsalis pedis pulse in an adult client. What is the best action to take?

Choice A reason: When a peripheral pulse is non-palpable due to edema, obesity, or low cardiac output, the nurse should utilize a Doppler ultrasound device. This non-invasive tool amplifies the sound of arterial blood flow, allowing the clinician to verify perfusion that is present but too faint to be detected by manual palpation. Choice B reason: Elevating the extremity is generally contraindicated when arterial insufficiency is suspected, as gravity can further impede arterial blood flow to the distal tissues. Rechecking in 15 minutes without utilizing alternative assessment tools delays the identification of potential vascular compromise and does not provide new clinical data. Choice C reason: Documenting the absence of a pulse without further investigation is a failure in the nursing process. The nurse must exhaust all assessment methods, including the use of technology, to determine if the lack of a palpable pulse represents a clinical emergency or simply a technical difficulty in palpation. Choice D reason: Notifying the provider is premature until the nurse has attempted to locate the pulse using a Doppler. If the Doppler detects a strong signal, the urgency of the situation changes. The provider requires comprehensive assessment data, including Doppler results, to make informed decisions regarding vascular interventions or further diagnostics.