Trauma and syncope-evidence for further sleep study? A case report

Figure 1 Overnight polygraph recording showing recurrent desaturations at night (above), increased heart rate in the morning hours (down) and arrhythmia onset due to changes in heart rate (see marker box).

Figure 2 Twenty-hour Holter monitor recording showing atrial fibrillation in the morning with arrest of 5 s (marker) followed by sinus rhythm.

Figure 3 Twenty-hour Holter monitor recording showing atrial fibrillation in the morning with arrest of 5 s (marker) followed by sinus rhythm (enlargement of Figure 2).