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{{Stress cardiomyopathy}}
{{Stress cardiomyopathy}}
{{CMG}}
{{CMG}}; {{AE}}{{DN}}
==Overview==
==Overview==
In patients with stress cardiomyopathy, [[coronary angiography]] usually shows normal [[anatomy]] of the [[coronary arteries]] and no evidence of [[coronary artery stenosis]].
==Other Imaging Findings==
==Other Imaging Findings==
===Radionuclide Studies===
 
=== Positron Emission Tomography (PET) Scan ===
In patients with stress cardiomyopathy, a [[PET scan]] may be done. Areas of [[hypokinesia]] or [[dyskinesia]] have reduced [[glucose]] utilization compared to normal regions.<ref name="pmid25071891">{{cite journal |vauthors=Testa M, Feola M |title=Usefulness of myocardial positron emission tomography/nuclear imaging in Takotsubo cardiomyopathy |journal=World J Radiol |volume=6 |issue=7 |pages=502–6 |year=2014 |pmid=25071891 |pmc=4109102 |doi=10.4329/wjr.v6.i7.502 |url=}}</ref>
 
===Coronary Angiography===
* Stress cardiomyopathy can mimic an [[acute MI]], mainly [[anterior MI]], since the clinical presentation, [[ECG]] and laboratory findings are similar. Hence, [[coronary angiography]] is considered a great diagnostic modality to differentiate between the two diagnoses.
* A normal [[angiography]] or absence of substantial [[coronary]] [[stenosis]] supports the diagnosis of stress cardiomyopathy.<ref name="pmid19106400">{{cite journal |vauthors=Akashi YJ, Goldstein DS, Barbaro G, Ueyama T |title=Takotsubo cardiomyopathy: a new form of acute, reversible heart failure |journal=Circulation |volume=118 |issue=25 |pages=2754–62 |year=2008 |pmid=19106400 |pmc=4893309 |doi=10.1161/CIRCULATIONAHA.108.767012 |url=}}</ref><ref name="pmid15276100">{{cite journal |vauthors=Bybee KA, Prasad A, Barsness GW, Lerman A, Jaffe AS, Murphy JG, Wright RS, Rihal CS |title=Clinical characteristics and thrombolysis in myocardial infarction frame counts in women with transient left ventricular apical ballooning syndrome |journal=Am. J. Cardiol. |volume=94 |issue=3 |pages=343–6 |year=2004 |pmid=15276100 |doi=10.1016/j.amjcard.2004.04.030 |url=}}</ref><ref name="pmid28041712">{{cite journal |vauthors=Efferth T, Banerjee M, Paul NW |title=Broken heart, tako-tsubo or stress cardiomyopathy? Metaphors, meanings and their medical impact |journal=Int. J. Cardiol. |volume= |issue= |pages= |year=2016 |pmid=28041712 |doi=10.1016/j.ijcard.2016.12.129 |url=}}</ref>


==References==
==References==

Latest revision as of 20:27, 1 February 2019

Stress cardiomyopathy Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Dima Nimri, M.D. [2]

Overview

In patients with stress cardiomyopathy, coronary angiography usually shows normal anatomy of the coronary arteries and no evidence of coronary artery stenosis.

Other Imaging Findings

Positron Emission Tomography (PET) Scan

In patients with stress cardiomyopathy, a PET scan may be done. Areas of hypokinesia or dyskinesia have reduced glucose utilization compared to normal regions.[1]

Coronary Angiography

References

  1. Testa M, Feola M (2014). "Usefulness of myocardial positron emission tomography/nuclear imaging in Takotsubo cardiomyopathy". World J Radiol. 6 (7): 502–6. doi:10.4329/wjr.v6.i7.502. PMC 4109102. PMID 25071891.
  2. Akashi YJ, Goldstein DS, Barbaro G, Ueyama T (2008). "Takotsubo cardiomyopathy: a new form of acute, reversible heart failure". Circulation. 118 (25): 2754–62. doi:10.1161/CIRCULATIONAHA.108.767012. PMC 4893309. PMID 19106400.
  3. Bybee KA, Prasad A, Barsness GW, Lerman A, Jaffe AS, Murphy JG, Wright RS, Rihal CS (2004). "Clinical characteristics and thrombolysis in myocardial infarction frame counts in women with transient left ventricular apical ballooning syndrome". Am. J. Cardiol. 94 (3): 343–6. doi:10.1016/j.amjcard.2004.04.030. PMID 15276100.
  4. Efferth T, Banerjee M, Paul NW (2016). "Broken heart, tako-tsubo or stress cardiomyopathy? Metaphors, meanings and their medical impact". Int. J. Cardiol. doi:10.1016/j.ijcard.2016.12.129. PMID 28041712.

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