الفهرس 
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Abstract
P
atients with inferior wall myocardial infarction who have right ventricular involvement appear to have a worse prognosis than those without RV involvement; infarcted RV tissue fails to offer a sufficient preload which is essential for adequate LV performance. Thus, assessment of RV function is an important step in dealing with patients presenting with inferior wall myocardial infarction that will help in adopting a proper management plan.
The current study included 60 patients who presented to Ain Shams university hospitals by inferior wall ST segment elevation myocardial infarction associated with RV infarction during the period from February 2019 to August 2019.
The objective of the study was to assess the correlation between RV function and angiographic findings in patients presenting with inferior wall myocardial infarction associated with RV infarction undergoing primary percutaneous coronary intervention.
All patients were subjected to history taking, clinical examination, ECG recording and then primary percutaneous coronary intervention. Echocardiographic assessment was done to all patients within 48 hours of admission.
Assessment of RV function was done through measuring RV free wall systolic strain by STE and through measuring conventional parameters such as TAPSE, S’ and FAC.
According to the results of the current study we reached two important conclusions:
1- Impaired RV function in patients presenting with RV infarction can be predicted by different angiographic findings. Proximal RCA total occlusion being commonest IRA associated with impaired RV function. Also, presence of heavy thrombus burden and less than TIMI III flow after angioplasty are associated with increased risk of impaired RV function.
2- RV free wall strain measured by 2D-speckle tracking echocardiography has highest accuracy in detection of proximal RCA occlusion compared to other echocardiographic indices including TAPSE, S’ and FAC.
Through those data, we recommend applying 2DSTE in routine assessment of patients presenting with RV infarction which can detect early impairment of RV function.