LEFT LEG PAIN patient assessment discussion

NUR509 DISCUSSION: Left leg pain assessment, differential diagnosis, and guideline driven management for advanced practice nurses

I report my clinical practice this week in NUR509, focusing on a patient with left leg pain. Guidelines urge prompt, structured assessment for suspected venous thromboembolism because delays raise risk of harm (NICE, 2020). You will find a concise case summary, stepwise assessment, prioritized differential diagnoses, an evidence based plan of care, and health promotion measures. I aim to show how guideline directed decisions change immediate management and follow up (Kakkos et al., 2021). I protect patient privacy while describing salient findings. The patient was a 58 year old man with sudden left calf pain and swelling after a 10 hour flight. He had a smoking history and body mass index of 32. Exam showed unilateral pitting edema, calf tenderness, mild erythema, and intact distal pulses.

Clinical experience, challenges and success
I triaged the patient in an acute care clinic with a focus on rapid risk stratification. Using a validated pretest score helped prioritise investigations and reduced unnecessary imaging orders (NICE, 2020). A success was early use of Wells scoring and a same day D-dimer, which expedited an ultrasound request. A challenge arrived when radiology slots filled and definitive imaging faced delay. I provided interim safety measures, clear return instructions, and a phone check the same evening. Shared decision making with the patient improved adherence to recommended observation and follow up. The team logistics revealed gaps in rapid imaging workflows that we flagged for service improvement.

Assessment and clinical findings
Assessment began with a focused history and a structured physical exam. History included onset, travel, immobilisation, hormone exposure, cancer history, prior thrombosis, and family clotting history, with Wells scoring to stratify probability (NICE, 2020). The physical exam emphasised unilateral swelling, calf circumference difference, local tenderness, warmth, and skin changes. A basic neurologic screen checked dermatomal sensation and motor power to exclude radicular pain (George et al., 2021). When arterial disease is suspected, ankle brachial index offers objective data for limb perfusion and referral decisions (Gornik et al., 2024). For VTE workup, D-dimer supports rule out in low probability presentations while duplex ultrasound remains the imaging test of choice for suspected proximal clot (Kakkos et al., 2021). I documented scores, informed consent for tests, and the plan for expedited imaging.

Differential diagnoses with rationales
First priority was deep vein thrombosis because unilateral swelling after prolonged travel fits a classic presentation and guidelines treat suspected DVT as a time sensitive diagnosis (Kakkos et al., 2021). Second possibility was peripheral arterial disease presenting as exertional calf pain or rest pain in patients with atherosclerotic risk factors, and ABI testing and pulses help differentiate ischemia from venous causes (Gornik et al., 2024). Third possibility was lumbosacral radiculopathy, which produces dermatomal pain, sensory change, and positive nerve stretch signs with preserved vascular examination (George et al., 2021). Cellulitis remained a consideration when erythema and systemic features dominate, since antibiotics and local care differ from anticoagulation. Musculoskeletal strain appeared lower on the list because the pain lacked mechanical provocation and the swelling remained prominent. You prioritise tests that separate vascular from neurologic or infectious causes before initiating therapies with systemic risk.

Plan of care supported by current guidelines
Initial management matched pretest probability. For low pretest probability and a negative D-dimer, I arranged outpatient review and conservative symptom control following local pathways and NICE guidance (NICE, 2020). For high pretest probability I requested urgent duplex ultrasound and completed a bleeding risk assessment while discussing anticoagulation options. When imaging confirms DVT, guideline directed anticoagulation with a direct oral anticoagulant or therapeutic low molecular weight heparin becomes first line for most patients, with consideration of cancer status and drug interactions according to specialty guidance (Lyman et al., 2021; Kakkos et al., 2021). If ABI or toe pressures indicate arterial compromise, I would start statin therapy, antiplatelet medication, and refer for vascular assessment for supervised exercise therapy and revascularisation planning per contemporary PAD guidance (Gornik et al., 2024). If neurologic signs pointed to radiculopathy, I used conservative care first with targeted exercise and symptom control, plus red flag monitoring and surgical referral when deficits progressed (George et al., 2021). I scheduled close follow up, arranged community physiotherapy where indicated, and prepared written instructions about urgent warning signs.

Health promotion intervention for this patient
Health promotion focused on reversible risk factors with practical steps. Smoking cessation counselling and referral to an intensive programme formed a priority because smoking increases arterial disease risk and worsens wound outcomes (Gornik et al., 2024). I taught mobility strategies for long travel, such as hourly ambulation and calf muscle exercises, plus hydration and compression hosiery guidance for selected patients to reduce venous stasis (NICE, 2020). Nutritional advice and referral to weight management services targeted the patient’s elevated BMI. For anticoagulation I provided clear instructions on signs of bleeding, medication adherence, and a contact plan for complications, with a pharmacy medication review to check interactions (Lyman et al., 2021). I booked supervised exercise for claudication when indicated and provided written educational materials to reinforce verbal teaching.

What I learned as an advanced practice nurse
This week reinforced the importance of structured clinical reasoning under pressure. Rapid use of validated screening tools reduced unnecessary testing and focused resources on high risk patients (NICE, 2020). Shared decision making and concise patient education improved adherence to follow up and reduced anxiety. I experienced how multidisciplinary coordination with radiology, pharmacy, physiotherapy, and vascular specialists improves throughput and patient safety. Auditing delays in imaging helped identify system fixes for faster diagnostics. You should use guideline anchored pathways to justify emergent decisions and to support patient discussions. The practical skill of integrating evidence with bedside findings remains central to advanced practice.

Conclusion
Left leg pain demands a focused, reproducible approach that separates life and limb threats from less urgent causes. Prioritise history, validated scores, targeted testing, and prompt imaging when indicated, and apply guideline directed therapy to reduce morbidity (Kakkos et al., 2021; NICE, 2020). Patient education and planned follow up reduce treatment errors and improve adherence. As an advanced practice nurse, lead coordination among disciplines, document risk assessment clearly, and use audits to improve local pathways. I will apply these lessons in future clinical weeks and recommend the same structured approach for colleagues managing left leg pain.

References

Kakkos, S.K., Gohel, M., Baekgaard, N., et al. (2021) ‘European Society for Vascular Surgery (ESVS) 2021 clinical practice guidelines on the management of venous thrombosis’, European Journal of Vascular and Endovascular Surgery, 61(1), pp. 9-82. doi:10.1016/j.ejvs.2020.09.023.

Lyman, G.H., Carrier, M., Ay, C., et al. (2021) ‘American Society of Hematology 2021 guidelines for management of venous thromboembolism: Prevention and treatment in patients with cancer’, Blood Advances, 5(4), pp. 927-974. doi:10.1182/bloodadvances.2021004734.

Gornik, H.L., Aronow, H.D., Goodney, P.P., et al. (2024) ‘2024 ACC/AHA/AACVPR/APMA/ABC/SCAI/SVM/SVN/SVS/SIR/VESS guideline for the management of lower extremity peripheral artery disease’, Circulation, published ahead of print May 14 2024.

George, S.Z., Fritz, J.M., Silfies, S.P., et al. (2021) ‘Interventions for the management of acute and chronic low back pain: Revision 2021’, Journal of Orthopaedic and Sports Physical Therapy, 51(11), CPG1-CPG60. doi:10.2519/jospt.2021.0304.

• Assess left leg pain using validated risk scores, targeted testing, and health promotion strategies to reduce recurrent vascular events and improve outcomes.
• Evaluate left leg pain with an evidence based approach to diagnosis, urgent investigations, and guideline guided management for suspected DVT, PAD, and radiculopathy.
• Prepare a 500 word clinical reflection that outlines assessment steps, differential diagnosis, and a plan of care supported by contemporary vascular and musculoskeletal guidelines