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Complete Heart Block Causing Takotsubo Syndrome: A Case Report
Jaswanth R Jasti1, Philip Petrasko2, Vernonica A Stys2
1Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, USA.
Insights
Complete atrioventricular block, a heart rhythm issue, may precede Takotsubo syndrome. Pacemaker implantation resolved cardiac dysfunction, suggesting a potential causal link in this rare case.
Area of Science:
- Cardiology
- Electrophysiology
- Cardiomyopathy
Background:
- The link between complete atrioventricular (AV) block and Takotsubo syndrome (TTS) is recognized, but causality remains unclear.
- Takotsubo syndrome, or broken heart syndrome, involves temporary weakening of the heart muscle.
Observation:
- A 91-year-old female with a year-long untreated complete AV block developed Takotsubo syndrome.
- Cardiac wall motion abnormalities were observed in the patient.
Findings:
- Following permanent pacemaker implantation for the complete AV block, the patient's Takotsubo syndrome symptoms resolved.
- The implanted pacemaker functioned normally during follow-up, and cardiac wall motion defects reversed.
Implications:
- This case suggests a potential causal relationship where untreated complete AV block might precipitate Takotsubo syndrome.
- Permanent pacemaker implantation may be a therapeutic option for Takotsubo syndrome in patients with concurrent complete AV block.
- Further research is warranted to elucidate the pathophysiological mechanisms linking AV block and TTS.
Abstract:
The association of complete atrioventricular (AV) block with Takotsubo syndrome (TTS) is well known, but the cause-and-effect relationship has not been determined. We present the case of a 91-year-old female with complete AV block who went untreated for over a year and later developed Takotsubo syndrome. Reversal of wall movement defects was seen after a permanent pacemaker was implanted, and routine follow-up showed that the implanted pacemaker worked normally.
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