⚠️ This Requires Urgent Medical Evaluation — Call Emergency Services Now

Clinical Picture Summary

Most Likely Diagnoses (in order of urgency)

🔴 1. Pulmonary Embolism (PE) — Top concern

• The "pulled left leg" strongly suggests a Deep Vein Thrombosis (DVT) in that leg — the clot source
• PE can cause pleuritic chest pain (sharp, positional, worse lying flat)
• Dizziness and bladder loss = near-syncope from reduced cardiac output as the clot obstructs the right heart/pulmonary artery
• Absence of shortness of breath does not rule out PE — up to 30% of PE cases lack it

🔴 2. Pericarditis (with possible cardiac tamponade)

• Dizziness + near-fainting + bladder loss could indicate cardiac tamponade (fluid compressing the heart)
• Tamponade causes low blood pressure → dizziness → pre-syncope
• Right-sided pain can occur with pericardial/pleural involvement

🟠 3. Aortic Dissection

• Less typical here (no tearing/back pain described), but in a woman this age with severe chest pain and syncope symptoms, it cannot be excluded without imaging
• Syncope can occur with dissection involving the right coronary or aortic root

🟡 4. Musculoskeletal / Pleurisy

• Lower priority given the severity, dizziness, and leg involvement — but positional right chest pain CAN be pleurisy (pleural inflammation)

Why the "Pulled Leg" Matters Enormously

1. DVT — leg clot that may have sent an embolus to the lungs (PE)
2. Neurological — if the leg weakness is true motor weakness (cannot lift foot, drags when walking), this raises concern for a TIA/stroke, which combined with chest symptoms could mean a cardiac source of emboli (clot in heart → brain + lungs)

What To Do RIGHT NOW

Call an ambulance (emergency services) immediately. Do not drive her to the hospital.

• Sit her upright — this is already relieving her chest pain and is the correct position
• Do NOT give aspirin yet without knowing the diagnosis (PE vs. dissection have different management)
• Note the time the leg weakness/pulling started — critical information for stroke workup
• Keep her calm and still
• If she loses consciousness or stops breathing, begin CPR

What the ER Will Do

• ECG — check for pericarditis (diffuse ST elevation, PR depression) or right heart strain (PE pattern: S1Q3T3)
• D-dimer blood test — screens for clot
• CT Pulmonary Angiography (CTPA) — confirms or rules out PE
• Echocardiogram — checks for pericardial fluid (tamponade), wall motion, DVT source
• Troponin — heart muscle damage
• Leg Doppler ultrasound — confirms DVT
• CT head/MRI — if neurological stroke is suspected

Bottom line: This woman has at minimum 2–3 simultaneously dangerous conditions presenting at once. The positional chest pain + near-syncope with bladder loss + unilateral leg abnormality in a post-menopausal woman = presumed pulmonary embolism until proven otherwise. This is a medical emergency.