deep vein thrombosis

A 45-year-old woman presents to the clinic with a 2-week history of a painful, swollen right calf. She recently returned from a long-haul flight from Europe. On examination, her right calf is warm, erythematous, and tender to touch. A D-dimer test is positive. What is the most appropriate next step in management?

A 65-year-old patient recently started on warfarin for deep vein thrombosis presents with a painful, expanding skin lesion on their leg. They report the lesion appeared suddenly and has worsened over the past 24 hours. INR is 2.8. Considering the clinical presentation and the appearance of the lesion, what is the most appropriate immediate management step?

A 78-year-old female on warfarin for chronic atrial fibrillation presents to the emergency department with a 24-hour history of increasing pain and discolouration in her right lower leg. She denies trauma or recent falls. Her INR this morning was 2.5 (target 2.0-3.0). Vital signs are stable: BP 130/80, HR 75, RR 16, Temp 36.8°C. Examination reveals the findings shown in the image. Considering the patient's history, current medication, and the clinical appearance depicted, what is the most appropriate immediate management?

A 72-year-old woman presents with sudden onset shortness of breath and pleuritic chest pain. She had knee surgery 10 days ago. She has a history of hypertension. On examination, she is anxious, respiratory rate is 24, heart rate 105, BP 130/80, SpO2 92% on room air. Lungs are clear. ECG shows sinus tachycardia. There is mild swelling in the operated leg. Considering the likely diagnosis, which initial investigation is most appropriate?

A 65-year-old patient with a history of DVT presents with sudden onset dyspnoea and pleuritic chest pain. Examination is unremarkable except for mild tachypnoea. Wells score is 4. Which initial investigation is most appropriate in the diagnostic pathway?

A 68-year-old patient on warfarin for a recent DVT presents with a painful, rapidly expanding skin lesion on their leg that started 48 hours ago. Their INR is 2.9. Given the clinical context and the appearance of the lesion, what is the most appropriate immediate management step?

A 62-year-old woman presents to the emergency department with acute onset of chest pain and shortness of breath. She describes the pain as sharp and worse with inspiration. She has a history of deep vein thrombosis and is currently on warfarin. On examination, her blood pressure is 110/70 mmHg, heart rate is 110 bpm, respiratory rate is 24 breaths per minute, and oxygen saturation is 88% on room air. Her jugular venous pressure is elevated, and she has clear lung fields on auscultation. An ECG shows sinus tachycardia with right axis deviation. Which of the following is the most likely diagnosis?

A 75-year-old woman on warfarin for chronic atrial fibrillation presents to the emergency department with a 24-hour history of rapidly worsening pain and discolouration in her right lower leg. She denies trauma. Her INR is 2.8. Physical examination reveals the findings shown in the image. Peripheral pulses are palpable. What is the most appropriate immediate management step?