Hospitals throughout MedStar Health’s network continued to face problems with their online systems Wednesday, two days after a cyberattack crippled the health-care giant’s email and patient records databases. “Our electronic medical records system is working,” spokeswoman Ann Nickels said. “Individual work stations may not be working.” MedStar also issued a statement Wednesday saying that “the three main clinical information systems supporting patient care are moving to full restoration, and enhanced functionality continues to be added to other systems.”