Atrioventricular Block: 2nd Degree, Mobitz II
ECG Features
ECG Features
Figure 1: ECG Strip[1]
A second degree, Mobitz II atrioventricular (AV) block indicates "intermittent non-conducted P waves ('dropped' QRS complexes) without progressive prolongation of the PR interval."[2]
Table 1: ECG Characteristics[3]
Clinical Significance[2]
Clinical Significance[2]
- 2nd degree, Mobitz II heart block is commonly associated with haemodynamic compromise, severe bradycardia, and advancement to 3rd degree heart block (complete heart block).
- Onset of haemodynammic instability can be abrupt and unanticipated and may trigger syncope or sudden cardiac death.
ECM Features
ECM Features
Additional Information
Additional Information
References
References
- Second Degree Heart Block Type II [Online image]. (2013). Retrieved July 19, 2016, from http://www.practicalclinicalskills.com/ekg-reference-guide-details?lessonID=37
- AV Block: 2nd degree, Mobitz II. (n.d.). Retrieved July 27, 2016, from http://lifeinthefastlane.com/ecg-library/basics/mobitz-2/