By Dr. Doha Mouaddine

By Dr. Doha Mouaddine

This was an amazing learning experience and opportunity for growth. I had the opportunity to grow my medical knowledge during this period. My preceptor took the time in teaching and helping me familiarize with the U.S. healthcare system. He was extremely caring, helpful and provided excellent patient care. Since the start of the observership, I was provided with ample opportunities to maximize my interaction with the patients under dr Khan’s supervision. I was given full access to their Electronic Medical Records. Our discussions of clinical cases were very productive.

He also dedicated a lot of time in helping us understand and learn how to interpret EKGS, echocardiogram and stresstest. I attended ward rounds in HCA Houston Northwest Hospital and outpatient clinics in Epic Heart and Vascular Center. I got the opportunity to observe various procedures both in the hospital and clinic including cardiac catheterizations, peripheral angiograms, echocardiography, carotid doppler, arterial, and venous duplex scans. As well as various venous procedures such as radio frequency ablation, venaseal and varithena. I have found dr. Khan and the staff to be incredibly friendly and helpful with explaining the different steps of the procedures. I also got the chance to do a presentation on the 2020 ACC/AHA guidelines for the Diagnosis, Antimicrobial Therapy, and Management of Complications of infective endocarditis. I firmly believe that my clinical skills have significantly improved during this rotation. My preceptor was a great doctor to work with and I would highly recommend this rotation to everyone.

Muhammad Aazan Tariq

My name is Muhmmad Aazan Tariq, and I am an international medical graduate from Pakistan. I had the privilege of completing an observership with Dr. Muhammad Usman Khan in August, an experience that had a profound impact on my clinical knowledge and professional...

Khawaja Muhammad Ali

My rotation with Dr. Khan at Epic Heart and Vascular Institute was a wholesome package of physician making. During this experience, I had the opportunity to actively participate in patient evaluations, formulate management plans, and observe procedures such as...

Ayesha Haider

During my observership with Dr. M. Usman Khan at Epic Heart and Vascular Center, I learned to evaluate patients, interpret EKGs, utilize the EMR system, adapt to telemedicine, and manage my time more efficiently. I also gained valuable exposure to stress testing,...

Dr. Ayesha Arooj

My name is Ayesha Arooj and I am an international medical graduate from Pakistan. I had the opportunity to rotate with Dr. Muhammad Usman Khan in the month of June 2025. It was an experience that has left a profound and lasting impact on both my clinical understanding...

Muhammad Ali

During March 2024, I had the privilege of completing a four-week rotation in interventional cardiology under the guidance of Dr. Usman Khan, an experience that profoundly enhanced my clinical knowledge and skills. Throughout this observership, I worked closely with...

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