Archive for March2009

Prehospital 12 lead ECG quiz for the kitchen table

1. Which of the following statements about axis determination is false? a.) The normal quadrant is the left inferior quadrant.b.) When leads I and aVF show an upright QRS complex, the axis is in the normal quadrant.c.) For the axis to be normal, the QRS complex in lead I can be negative as long as […]

Chest pain and ST-segment elevation that resolves after nitroglycerin

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Here’s an interesting case that illustrates the value of prehospital 12 lead ECGs. A 66 year old male became suddenly ill while playing tennis. Bystanders state that he struck the ball with his racket, staggered a few steps, placed his hand over his chest, and sat down on the tennis court. 9-1-1 was contacted immediately. […]

AHA M:L survey reveals problems

News release American Heart Association EMS Survey Uncovers Deficiencies in Response, Treatment and Transfer of Patients With Most Deadly Heart Attacks The American Heart Association’s Mission: Lifeline (AHA ML) conducted a survey of the nation’s EMS systems. Significant findings include: Only half of EMS systems have 12 lead ECG monitors on 75 percent or more […]