A 2+ Pulse Indicates Normal Peripheral Arterial Flow
A 2+ pulse on palpation indicates normal arterial flow and is associated with a low likelihood of peripheral artery disease (PAD). 1
Pulse Grading Scale
According to the 2024 ACC/AHA guidelines for lower extremity PAD management, lower extremity pulses (femoral, popliteal, dorsalis pedis, and posterior tibial arteries) are graded using a standardized 4-point scale 1:
- 0 = Absent pulse
- 1 = Diminished pulse
- 2 = Normal pulse
- 3 = Bounding pulse
Clinical Significance
The presence of all four pedal pulses (bilateral posterior tibial and dorsalis pedis) on palpation is associated with a low likelihood of PAD. 1 This finding is clinically reassuring and suggests adequate peripheral arterial perfusion.
Prognostic Implications
When pedal pulses are palpable bilaterally:
- The ankle-brachial index (ABI) is typically >0.50 (often >0.90)
- Toe systolic pressures are typically >40 mmHg
- The prognosis for PAD progression is relatively good
- Arteriosclerotic ulcers on the foot are likely to heal 2
Important Caveats
Pulse assessment reproducibility is more accurate for detecting normal versus absent pulses than for distinguishing normal versus diminished pulses. 1 This means that while a 2+ pulse reliably indicates normal flow, distinguishing between grades 1 and 2 can be more subjective and operator-dependent.
When Further Testing Is Needed
Even with a 2+ pulse, if the patient has:
- Exertional leg symptoms suggestive of claudication
- Multiple cardiovascular risk factors
- Symptoms that don't match the pulse findings
Consider obtaining an ABI to objectively confirm adequate arterial perfusion, as the guidelines recommend ABI testing for patients with history or physical examination findings suggestive of PAD. 1