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Published on: February 10, 2013
Tako-tsubo cardiomyopathy: how stress can mimic acute coronary occlusion
Irfan Abdulla1, Michael R Ward
1Faculty of Medicine, University of Sydney, Sydney, NSW, Australia.
Insights
Tako-tsubo cardiomyopathy (TTC), often mistaken for heart attacks, is increasingly diagnosed. This condition, common in postmenopausal women, typically resolves quickly with a good prognosis after stress events.
Area of Science:
- Cardiology
- Internal Medicine
Background:
- Tako-tsubo cardiomyopathy (TTC) presents as a critical differential diagnosis for acute myocardial infarction.
- Clinically, TTC often mimics acute left anterior descending coronary artery occlusion.
Purpose of the Study:
- To highlight the importance of understanding Tako-tsubo cardiomyopathy for all clinicians.
- To emphasize the diagnostic differentiation between TTC and acute coronary occlusive events.
Main Methods:
- Coronary angiography is the definitive diagnostic tool to differentiate TTC from acute coronary occlusive myocardial infarction.
- Increased utilization of acute angiography and revascularization has led to more frequent TTC diagnoses.
Main Results:
- Tako-tsubo cardiomyopathy is most prevalent in postmenopausal women.
- Symptoms are frequently triggered by physical or emotional stress.
- Patients experience rapid recovery and an excellent prognosis after the acute phase, even with significant hemodynamic compromise.
Conclusions:
- Tako-tsubo cardiomyopathy diagnosis allows for patient reassurance regarding low recurrence rates.
- Currently, no specific preventive therapies for TTC have demonstrated proven effectiveness.
Abstract:
Tako-tsubo cardiomyopathy (TTC) is an important differential diagnosis of acute coronary occlusive myocardial infarction that should be understood by all clinicians. Although TTC is frequently clinically indistinguishable from acute left anterior descending coronary artery occlusion, it is readily differentiated with coronary angiography. The increasing frequency of acute angiography and revascularisation for patients with acute myocardial infarction has resulted in TTC being far more frequently diagnosed. Most common in postmenopausal women, TTC is frequently precipitated by physical or emotional stress, and after an acute phase during which the patient may be significantly haemodynamically compromised, there is rapid recovery and an excellent prognosis. After diagnosis the patient can be reassured and advised of the low rates of recurrence. Currently, no specific preventive therapy has been proven to be effective.
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Exercise Stress Test
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
