Palpable peripheral pulse

This is consistent with a clinical examination (not lab tests) and refs to TVP (deep vein thrombosis) and OMI (lower limb oedema)

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Note added at 2 hrs (2019-06-14 19:03:44 GMT)
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902498/

Swollen right leg: Is it deep vein thrombosis?
A 72-year-old man, with known atrial fibrillation on anticoagulation, presents to the general practitioner with a 1-week history of a new tender, right swollen leg. The popliteal pulse was not palpable due to oedema. Distal pulses were present with no neurological deficit. The patient was referred to the accident and emergency department for deep vein thrombosis exclusion.

Other more common differentials to consider were: ruptured Baker's cyst, chronic venous leg insufficiency, infection, trauma, lymphoedema and malignancy.1

The ultrasound Doppler did not identify a deep vein thrombosis and the patient was discharged. A fortnight later, the patient was re-admitted with hypotension and a palpable pulsatile, fluid mass at the right popliteal fossa. Distal foot pulses were diminished and there was no neurological deficit. Repeat ultrasound Doppler revealed a large right popliteal artery aneurysm (figure 1). Urgent CT angiogram of the legs showed that this aneurysm had ruptured (figure 2). The patient did not survive this admission.