case_images: PMC4531772_01
case_images: Twenty-four hour Holter monitoring record revealed cardiac asystoles, the longest lasting 7 seconds when the patient complained of dizziness and became pale during a venipuncture procedure.
case_images: kjim-15-3-232-10f1.jpg
case_images: PMC4531772_01_kjim-15-3-232-10f1.jpg
case_images: f1-kjim-15-3-232-10
case_images: Holter recording showed cardiac asystoles, one of which lasted 7 secs (Figure 1). Head-up tilt test revealed hypotension (80/60 mmHg) associated relative bradycardia (72 beats/min) 10 minutes following intravenous administration of isoproterenol (2 ug/min) (Table 1).