MASTERING THE 12-LEAD ECG
Describe the characteristics of a normal 12-lead ECG.
Calculate the mean QRS axis on the 12-lead ECG.
Given various 12-lead ECGs of critically ill patients, identify the following:
right bundle branch block
left bundle branch block
left anterior fascicular block
left posterior fascicular block
Describe the relationship between anterior MI, left axis deviation, and the development of potentially life-threatening conduction defects.
Explain the potentially life-threatening complication that may occur during insertion of a pulmonary artery catheter in a patient with a left bundle branch block.
Discuss why analysis of the 12-lead ECG is of limited use in the diagnosis of MI if the patient has a left bundle branch block.
Given various 12-Lead ECGs of critically ill patients, identify:
right ventricular hypertrophy
left ventricular hypertrophy
Identify the anatomic location of myocardial infarction, including:
Identify ST segment abnormalities on a variety of 12-lead ECGs.
Identify a right ventricular myocardial infarction via interpretation of the 12-lead ECG.
Evaluate the QT interval and explain its significance in patients receiving various medications.
Recognize ECG manifestations of various life-threatening electrolyte disturbances.
Interpret 12-lead ECGs using a step-by-step approach.
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