2.2 Takotsubo syndrome
Sympathetic hyperexcitability, coronary vasospasm, and microcirculation
disorders were considered the most likely factors responsible for
Takotsubo syndrome (TTS). Acute cardiac dysfunction caused by TTS and
subarachnoid hemorrhage might share a similar mechanism, namely the
release of a large amount of catecholamines, but the understanding of
the precise pathological mechanism was currently limited [13].
Although very rare, TTS might become an effective differential diagnosis
of myocardial injury in COVID-19 patients. Among the reported TTS cases,
one patient was confirmed to suffer from a typical SARS-CoV-2-infected
TTS. This finding suggested that the enormous emotional pressure and
respiratory tract infection caused by the virus may be a cause of TTS
[14].