Schenkelblock und Faszikelblock
Über den Vortrag
Der Vortrag „Schenkelblock und Faszikelblock“ von Joseph Alpert, MD ist Bestandteil des Kurses „Interpretation des Elektrokardiogramms (EKG)“.
Quiz zum Vortrag
Which of the following is associated with sick sinus syndrome?
- Treatment with a pacemaker
- A very fast heart rate followed by arrhythmias
- Blockage in the His-Purkinje system
- Young patients
Which of the following is diagnostic of a right bundle branch block?
- QRS duration of > 0.12 seconds, deep S waves in leads I and V6, and presence of 'rabbit ears' in V1–V2
- Tall R waves in V1, deep S waves in aVL, and tall P waves in V3
- High voltages in leads V4, V5, and V6 as well as a prominent R wave in V1
- Left-axis deviation to –60 °, widened QRS, and small Q in lead aVL
- Wide QRS, large R wave in leads I and V6, and broad S waves in V1–V3
Which set of findings is diagnostic for a left bundle branch block?
- QRS duration of > 0.12 seconds, large R wave in leads I and V6, and broad S waves in V1–V3
- Tall R waves in V1, deep S waves in aVL, and tall P waves in V3
- High voltages in leads V4, V5, and V6 as well as a prominent R wave in V1
- Left axis deviation to –60°, widened QRS, and small Q in lead aVL
- QRS duration of > 0.10 seconds, deep S waves in leads V1 and V6, and presence of 'rabbit ears' in V1–V2
Which of the following is most characteristic of a left anterior fascicular block (LAFB), or left anterior hemiblock?
- Abnormal left axis deviation, QRS duration of 0.11 sec, and small Q in lead aVL
- QRS duration of > 0.10 seconds, large R wave in leads I and V6, and broad S waves in V1–V3
- Tall R waves in V1, deep S waves in aVL, and tall P waves in V3
- High voltages in leads V4, V5, and V6 as well as a prominent R wave in V1
- QRS duration of >0.10 seconds, deep S waves in leads V1 and V6, and presence of 'rabbit ears' in V1–V2
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Dozent des Vortrages Schenkelblock und Faszikelblock
Joseph Alpert, MD
Dr. Joseph Alpert is the Professor of Medicine in the Department of Medicine, Director of Coronary Care and Medical Director of Cardiac Rehabilitation at the University of Arizona (UA) College of Medicine, USA.
He obtained his Medical Degree cum laude from Harvard Medical School in 1969. Currently, he is a member of the Board of Trustees of the Association of Professors of Medicine, and Editor-in-Chief of The American Journal of Medicine.
Due to his achievements, he earned the Gifted Teacher Award from the American College of Cardiology in 2004.
Within Lecturio, Dr. Alpert teaches courses on Cardiology and the Cardiac System.
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