ECG in general practice.

Aimed at GPs this film shows the uses of an ECG machine in detecting heart abnormalitles. A practical demonstration of how to use the machine is given. Guidence on interpreting the cardiograpgh is provided, including graphs that indicate digitalis toxicity, hypolcaleamia, myocarditis, left ventricular hypertrophy and myocardial ischaemia. The film is followed by a promotional item for the drug dyazide.