A new study in Circulation has resurrected the controversy on whether, and when, to screen young athletes for potentially lethal heart conditions. While a tough call, too much screening will do no one any good, especially athletes.
Two new studies show that sudden-onset strokes are often provoked by the relatively common heartbeat irregularity, atrial fibrillation. If short-term cardiac monitoring fails to detect it, 30-day testing is required. Anticoagulation can be lifesaving.