A 59-year-old woman presented to the hospital with pain and tingling in the right arm. The pain occurred that morning while she had gone for a walk. It was sudden in onset and has improved since arriving in the department . There is no history of trauma and she has had no previous episodes. The patient is now able to move her fingers but says they feel numb. Her previous medical history includes intermittent episodes of palpitations for which she is waiting to see a cardiologist.
Examination The right hand appears pale and feels cool to touch. The radial and ulnar arterial pulses are absent. There is no muscle tenderness in the forearm, and she has a full range of active movement in the hand. The sensation is mildly reduced. Figure 1: Angiogram of the right upper limb Figure 2: Electrocardiogram What is the diagnosis and probable etiology? How would you investigate and manage this…
