Used by healthcare staff in the hospital setting to prepare ECG's for Medical review. Electrical Cardiac Graph data was recorded from the patient in long paper strips. The ECG trimmer was used to trim these strips into individual lead recordings and reconfigured on one page. This item has been replaced by new models of ECG recording devices which automatically configure lead information.This item is representative of early Cardiology patient assessment.Boxed: Hinged metal case with central metal reinforcement plate; metal pencil."Littmann ECG Trimmer" / "MODEL 205AA SERIAL No. 536185". Box; "FEB '84 17".ecg, medical equipment, cardiology

hard black plastic case with monitor encased in foaminstructions for teaching ECG interpretation, arrhythmia management and haemodynamic waveform recognition

Cardio phone 12 lead ECG transmission cardiac rhythm over telephone to cardiology department of receiving hospital, mica units had direct admission rights with receiving hospital, the receiving hospital decoded the rhythm and advised the ambulance crew of action required, these units were battery powered.Grey metal box containing built in electrical/medical equipmentBOTH ELECTRO-CARDIOGRAPH