Answer 1;
Signs and symptoms
– non-pitting, warm, erythematous edema at lower extremities
– darker skin on the swelling area (Phlegmasia culerae dolens in severe case, absent distal pulse)
– tender along venous tract on the swelling leg (Homan’s sign – tender along venous tract when ankle flexion)
– may develop acute rapid pulse or fainting or dyspnea of breath if there is pulmonary embolism; in this case O2 saturation is 97% – a little bit decrease for a healthy person
– D-dimer elevation
– history of recent surgery, long-haul flights, cancer may increase risk