Embedded Files
ECG Features
ECG Features
Figure 1: ECG Strip[1]
A second degree, 2:1 fixed ratio atrioventricular (AV) block occurs when the ratio of P-waves: QRS complexes in a second degree heart block is fixed at 2:1.[2]
Table 1: ECG Characteristics[2][3]
ECM Features
ECM Features
Figure 2: ECM Analysis, Record 231[4][5]
ECM Examples
ECM Examples
2nd Degree, 2:1 AV Block with Right Bundle Branch Block
Figure 3: Record 231[4][5]
Additional Information
Additional Information
References
References
- AV block: 2nd degree, “fixed ratio” blocks [Online image]. (2011). Retrieved July 19, 2016, from http://lifeinthefastlane.com/ecg-library/basics/fixed-ratio-blocks/
- AV block: 2nd degree, “fixed ratio” blocks. (n.d.). Retrieved July 27, 2016, from http://lifeinthefastlane.com/ecg-library/basics/fixed-ratio-blocks/
- Second Degree Heart Block Type II. (n.d.). Retrieved July 27, 2016, from http://www.practicalclinicalskills.com/ekg-reference-guide-details?lessonID=37
- MIT-BIH Arrhythmia Database. (1980). Retrieved June, 2016, from https://physionet.org/physiobank/database/mitdb/
- Goldberger AL, Amaral LAN, Glass L, Hausdorff JM, Ivanov PCh, Mark RG, Mietus JE, Moody GB, Peng C-K, Stanley HE. PhysioBank, PhysioToolkit, and PhysioNet: Components of a New Research Resource for Complex Physiologic Signals. Circulation101(23):e215-e220 [Circulation Electronic Pages;http://circ.ahajournals.org/cgi/content/full/101/23/e215]; 2000 (June 13).
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