* COVID-19-associated [[stress cardiomyopathy]] must be differentiated from other diseases that cause [[left ventricular dysfunction]] such as [[acute myocardial infarction]] ([[STEMI]] and [[NSTEMI]]) and [[viral myocarditis]].
* COVID-19-associated [[stress cardiomyopathy]] must be differentiated from other diseases that cause [[left ventricular dysfunction]] such as [[acute myocardial infarction]] ([[STEMI]] and [[NSTEMI]]) and [[viral myocarditis]].
{| class="wikitable"
!Disease
!Can Present With
!Cardiac Enzymes
!Catecholamine Levels
!ECG Findings
!Echocardiography Findings
!Prognosis
|-
|Stress Cardiomyopathy
|[[Chest pain]], [[dyspnea]]
|↑
|Transiently elevated
|[[ST elevation]] in [[precordial leads]]
|[[LV]] regional dysfunction
|Very good
|-
|[[Pheochromocytoma]]
|[[Chest pain]], [[dyspnea]]
|Can be positive
|Persistently elevated
|[[ST elevation]] in [[precordial leads]]
|[[LV]] regional dysfunction
|Good to poor - it varies if disease is localized or diffuse (95% to 50% survival in 5 years)<ref>{{Cite web|url=https://www.cancer.net/cancer-types/pheochromocytoma-and-paraganglioma/statistics#:~:text=Localized%20pheochromocytomas%20have%20a%205,or%20paraganglioma%20are%20an%20estimate.|title=Cancer.net - Statistics of Pheochromocytoma and Paraganglioma|last=|first=|date=07/18/2020|website=Cancer.net|archive-url=|archive-date=|dead-url=|access-date=}}</ref>
|-
|[[Anterior MI]]
|[[Chest pain]], [[dyspnea]]
|↑↑↑
| -
|[[ST elevation]] in [[precordial leads]]
|Dysfunction at area of [[infarction]]
|Variable - depends on the coronary lesion, but usually it has a 30% mortality rate and 5-10% of the survivors die within one year of the event<ref>{{Cite web|url=https://www.medscape.com/answers/155919-15097/what-is-the-prognosis-of-acute-myocardial-infarction-mi-heart-attack|title=Medscape - Acute MI|last=|first=|date=07/18/2020|website=Medscape|archive-url=|archive-date=|dead-url=|access-date=}}</ref>
|-
|[[Myocarditis]]
|[[Chest pain]], [[dyspnea]], [[fever]]
|May be acutely elevated
| -
|May show [[atrial fibrillation]], [[Left bundle branch block|LBBB]] or [[AV block]]
|[[Dyspnea]], [[dyspnea on exertion]], [[cough]], [[edema]], [[fatigue]]
|Usually negative
| -
|May show [[atrial fibrillation]], [[Left bundle branch block|LBBB]] or [[AV block]]
|[[LV]] enlargement
|Poor - survival is less than 50% in ten years<ref>{{Cite web|url=https://emedicine.medscape.com/article/2017823-overview#:~:text=Dilated%20cardiomyopathy%20is%20associated%20with,often%20recurs%20with%20subsequent%20pregnancy.|title=Medscape - Dilated Cardiomyopathy|last=|first=|date=07/18/2020|website=Medscape|archive-url=|archive-date=|dead-url=|access-date=}}</ref>
* [[Right axis deviation|Right]] or [[left axis deviation]]
* [[Bundle branch block|BBB]]
* [[Sinus bradycardia]]
|[[LV hypertrophy]], [[systolic]] anterior motion of the [[mitral valve]], asymmetric septal [[hypertrophy]]
|Generably good with up to 2/3 of the patients having a normal life, and a 1% cardiac annual mortality<ref name="pmid10163618">{{cite journal| author=Ten Cate FJ| title=Prognosis of hypertrophic cardiomyopathy. | journal=J Insur Med | year= 1996 | volume= 28 | issue= 1 | pages= 42-5 | pmid=10163618 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10163618 }}</ref>
|-
|COVID-19-associated Stress Cardiomyopathy
|[[Chest pain]], [[dyspnea]]
|↑
|Transiently elevated
|[[ST elevation]] in [[precordial leads]]
|[[LV]] regional dysfunction
|Very good - but hospitalizations may be longer in comparison to regular stress cardiomyopathy<ref name="pmid32644140" />
