Risk assessment is an essential component of quality healthcare and is responsible for ensuring that patient care is safely delivered and that no harm occurs to patients. Aim of the study: To assess nurses' performance related to fall and pressure ulcer risk assessment. Research design: A descriptive design was used to carry out the study. Study setting: The study was conducted at critical and non-critical units in cardiovascular hospital affiliated to Ain Shams University hospitals. Study subjects: The subjects of this study included (82) nurses working in the aforementioned setting Data collection tools: Observational checklist of risk assessment performance. Results: only one nurse had done pressure ulcer risk assessment by using Norton scale (1.2%) and none of the nurses (zero%) had done fall risk assessment by using Morse scale. Conclusion: there were generally low nurses' performance of risk assessment practice related to accurate use of Norton and Morse scales. Recommendation: Implementing risk assessment training program for nurses about analyzing and documentation of risks to improve practices related to risk assessment, integrating risk assessment practice into the nurses' orientation program and ongoing on-job educational activities to all nurses in hospital and creating a collaborative work climate by hospital administration to share and exchange information about risk assessment.