Related Experiment Video
Updated: Jul 18, 2026

Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
Published on: February 10, 2013
Stress, emotion and the heart: tako-tsubo cardiomyopathy
M Bilal Iqbal1, James C Moon, Oliver P Guttmann
1Department of Cardiology, The Heart Hospital, London, UK.
Insights
Tako-tsubo cardiomyopathy, a stress-induced heart condition, mimics heart attacks but has normal arteries. This condition, often seen in middle-aged women, typically has a good prognosis.
Area of Science:
- Cardiology
- Cardiovascular Medicine
Background:
- Tako-tsubo cardiomyopathy (TTC) is a transient cardiac dysfunction.
- It is often triggered by severe emotional or physical stress.
- The condition predominantly affects middle-aged women.
Observation:
- TTC presents as a mimic of acute myocardial infarction.
- Coronary angiography reveals normal coronary arteries.
- Left ventriculography shows a characteristic "octopus pot" appearance.
Findings:
- The pathophysiology involves catecholamine-induced myocardial stunning.
- While mimicking myocardial infarction, TTC has a generally favorable prognosis.
- Increasing recognition in Western countries due to advanced diagnostic techniques.
Implications:
- Early diagnosis and intervention are crucial for managing TTC.
- Understanding TTC pathophysiology can lead to targeted therapies.
- This condition highlights the significant impact of emotional stress on cardiovascular health.
Abstract:
Tako-tsubo cardiomyopathy is a cardiac syndrome precipitated by profound emotional stress and anxiety, particularly in middle-aged women. It presents as a mimic of acute myocardial infarction, but coronary angiography shows normal coronary arteries and a characteristic left ventriculogram resembling an "octopus pot". The condition seems to have a favourable prognosis. Initially described in Japan, and with many names in the literature, it is being increasingly recognised in the West owing to early coronary angiography and primary coronary intervention, accounting for up to 1 in 30 primary cases of angioplasty in some institutions. A typical case is described, and the clinical features, pathophysiology and management reviewed.
Related Concept Videos
Psychoneuroimmunology: Cardiovascular Disease
A key area of focus in PNI is the relationship between stress and coronary...
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
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Heart Failure II: Pathophysiology
Introduction Cardiac Emergencies