12 Lead ECG Final Review

Which of the following ECG features are defined by a wide QRS?

• LBBB

• Ventricular tachycardia

• SVT with aberrancy

• All of the above

Match the following ECG features to their correct criteria

• wide, notched p wave in lead II

• LVH

• R wave > S wave or >7mm in V1

• RAE

• S wave in V1/V2+R wave in V5/V6 = >35mm

• RVH

• tall, peaked p wave in lead II

• LAE

CNS disease is characterized by which of the following?

• Global ST elevation and J point notching

• broad, symmetrical T waves

• Tall, narrow, peaked p waves

• None of the above

Which of the following would not be considered a treatment for right ventricular MI?

• Saline

• ASA

• Nitro

• Oxygen

Wenckebach is defined by:

• A consistent PRI

• A consistent PRI with occasional dropped beats

• A lengthening PRI

• A lengthening PRI with occasional dropped beats

Standard calibration is ___mm

Standard paper speed is ____mm/second

A positive deflection on an ECG is caused by:

• A positive impulse moving towards an electrode

• A positive impulse moving away from an electrode

• A negative impulse moving towards an electrode

• All of the above

Which of the following are considered differential diagnoses for STEMI?

• Pericarditis

• Early repolarization

• Ventricular aneurysm

• All of the above

ST elevation in V1-V4 would be referred to as a(n) ___________ MI