Transient rise in His-lead threshold due to acute myocardial infarction.
Pacing Clin Electrophysiol
; 42(6): 754-757, 2019 06.
Article
in En
| MEDLINE
| ID: mdl-30659633
ABSTRACT
An 85-year-old male was admitted to our center with a non-ST elevation myocardial infarction. The patient had a dual-chamber pacemaker in situ with an atrial and His lead. A transient increase in His threshold and loss of nonselective capture occurred at the presentation of right coronary artery infarction, peaking during rotational atherectomy therapy causing loss of capture and complete atrioventricular block. A follow-up interrogation, 2 weeks postrevascularization, showed a return to a normal nonselective capture morphology and threshold measurements. Physicians should be aware of this complication in patients with His leads, particularly those with a history of coronary artery disease.
Key words
Full text:
1
Database:
MEDLINE
Main subject:
Pacemaker, Artificial
/
Bundle of His
/
Atherectomy
/
Electrodes, Implanted
/
Non-ST Elevated Myocardial Infarction
Limits:
Aged80
/
Humans
/
Male
Language:
En
Year:
2019
Type:
Article