الفهرس 
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Abstract
The COVID-19 pandemic, caused by SARS-CoV-2, has varying fatality rates and high transmissibility, with mortality often linked to acute respiratory distress syndrome (ARDS) and cardiovascular complications. Cardiovascular manifestations include myocardial infarction, heart failure, arrhythmias, and cardiogenic shock, possibly triggered directly or indirectly by the virus. Echocardiography is valuable in assessing COVID-19 patients, particularly for evaluating right ventricular involvement due to lung tropism, pulmonary vasoconstriction, and systemic inflammatory activation, affecting troponin levels, sympathetic tone, and volemic status.
Objective
The aim of the study is to determine which transthoracic echocardiography (TTE) parameters indicative of right ventricular dysfunction can serve as predictors of outcomes in patients with severe COVID-19 pneumonia.
Methodology
This study examined 90 adult patients with severe COVID-19 pneumonia at Alexandria main university hospital’s critical care department. Patients were categorized as survivors or non-survivors based on 30-day mortality.