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Table 1 A time line from admission to 3 months after discharge

From: Pericardial effusion caused by accidently placing a Micra transcatheter pacing system into the coronary sinus

Time line

Patient’s condition

Pacing parameters

Treatment

Medications

On admission

Normal

Aspirin (100 mg/day) and clopidogrel (75 mg/day)

During the procedure

Asymptomatic pericardial effusion with hemodynamically stable

Stable

At 2 h post-procedure

Pericardial tamponade

Stable

Pericardiocentesis and drainage of 270 ml bloody fluid

Stopped anti-platelet therapy for 5 days

On 6th day post-procedure

No pericardial effusion

Stable

Drainage tube removal

Aspirin (100 mg/day) and rivaroxaban (5 mg/day)

At 1-month follow-up

No pericardial effusion

Stable

Aspirin (100 mg/day), clopidogrel (75 mg/day) and rivaroxaban (5 mg/day)

At 3-month follow-up

No pericardial effusion, bleeding, thrombosis or thromboembolism

Stable

Aspirin (100 mg/day), clopidogrel (75 mg/day) and rivaroxaban (5 mg/day)