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COVID-19 has rapidly spread around the world and threatened global health. Although this disease mainly affects the respiratory system, there is increasing evidence that SARS-CoV-2 also has effects on the cardiovascular system. Echocardiography is a valuable tool in the assessment of cardiovascular disease. It is cost-effective, widely available and provides information that can influence management. Given the risk of personnel infection and equipment contamination during echocardiography, leading world societies have recommended performing echocardiography only when a clinical benefit is likely, favouring focused evaluations and using smaller portable equipment. In the past months, multiple reports have described a wide pattern of echocardiographic abnormalities in patients with COVID-19. This review summarised these findings and discussed the possible mechanisms involved.

Changes in LV ejection dynamics and septal base function account in part for the acute relief of LVOT gradient after NSRT. The long-term relief of obstruction is dependent on remodeling of LVOT as well as the changes in LV ejection.

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Galectin-3 is elevated in diabetic patients with mdEF, and is associated with a diminished GLS. GLS could be an early marker of left ventricular dysfunction as well as evidence of diabetic cardiomyopathy.

Patient: Male, 53Final Diagnosis: Cardiac amyloidosisSymptoms: Dyspnea • chest pain • swellingMedication: —Clinical Procedure: Diagnostic approachSpecialty: CardiologyObjective:Challenging differential diagnosisBackground:Amyloidosis is characterized by tissue deposition of insoluble fibrillar proteins and it affects almost every organ; there are many types and the heart can be affected in all of them.Case Report:Our report describes a middle-aged man who presented to the Emergency Department with congestive heart failure. Clinical, electrocardiographic, and echocardiographic findings suggested the presence of an infiltrative disease, so an abdominal fat tissue biopsy was performed. A final diagnosis of systemic amyloidosis with heart involvement was made.Conclusions:This case highlights the importance of combining clinical, electrocardiographic, and echocardiographic information in the diagnosis of complex diseases like amyloidosis with heart involvement.

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A 48-year-old male with a prior diagnosis of diabetes mellitus presented to the emergency department with malaise and nausea. On work-up, he was found with hyperglycemia and high anion gap metabolic acidosis, with a blood pH<6.94. A diagnosis of severe diabetic ketoacidosis was established; serum electrolyte analysis showed mild hyperkalemia. On work-up, a 12-lead electrocardiogram was obtained, and it showed an ST-segment elevation on anterior leads that completely resolved with diabetic ketoacidosis treatment. ST-segment elevation myocardial infarction can be a precipitant factor for diabetic ketoacidosis, and evaluation of diabetic patients with suspected myocardial infarction can be challenging since they can present with atypical or little symptoms. Hyperkalemia, which usually accompanies diabetic ketoacidosis, can cause electrocardiographic alterations that are well described, but ST-segment elevation is uncommon. A pseudomyocardial infarction pattern has been described in patients with diabetic ketoacidosis; of note, most of these patients presented severe hyperkalemia. We believe this is of great importance for clinicians because they must be able to recognize those patients that present with electrocardiographic abnormalities secondary to the metabolic alterations and those that can be experiencing actual ongoing ischemia, in order to establish an appropriate and prompt treatment.