12 Lead

Prehospital 12-Lead Interpretation Review

1 / 15

Troponin is one indicator of STEMI

2 / 15

Two factors that influence the morphology and timeframe are age and gender.

3 / 15

The further the cardiac axis is to the right shoulder, the more likely the patient will develop ventricular tachycardia (VT).

4 / 15

Cardiac axis is key to identifying bundle branch blocks.

5 / 15

The electrophysiology of the heart will change with injury, chronic disease, toxic agents, etc..

6 / 15

Less than 50% of patients have findings on their first ECG- of those only 10% develop finding on subsequent ECGs during an acute cardiac event.

7 / 15

Normal EKG Criteria includes all EXCEPT which of the following?

8 / 15

Electrodes do not need to be in full contact with the skin to be effective.

9 / 15

Electrode: The physical attachment sensing the amount of conduction in regards to its position on the body.

10 / 15

Lead: The path between two or more points

11 / 15

Paramedic acquisition of prehospital ECGs is now routine, and substantial evidence supports the ability of paramedics to independently diagnose STEMI.

12 / 15

By definition, it is not possible for STEMI programs in which only a single prehospital ECG is acquired to report the magnitude of the missed opportunity to identify prehospital STEMI.

13 / 15

Acquisition of prehospital ECGs to identify STEMI is relatively new.

14 / 15

It is has been demonstrated that ST-segment changes diagnostic of STEMI can evolve over time such that the initial prehospital or emergency department (ED) ECG may be nondiagnostic.

15 / 15

The prehospital management of ST-segment elevation myocardial infarction (STEMI) has evolved markedly over the past number of years

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