By Dr. Ernesto Calderone

By Dr. Ernesto Calderone

Collaborating with Dr. Khan, an exceptional mentor, and remarkable physician, has been a privilege. Over the course of two months, I gained invaluable experience and improved my skills under his guidance. Working in the hospital and outpatient settings, I had experience with electronic medical record (EMR) software and engaged in discussions on cutting-edge innovations. I performed tasks typically assigned to medical students or residents and providing consultations. This experience expanded my knowledge and enhanced my communication and teamwork skills.
During my time with Dr. Khan, I had the opportunity to witness and actively participate in various cardiac procedures and vein interventions. These experiences deepened my understanding of electrocardiograms, echocardiography, and cardiac anatomy. I learned from stress tests, and echocardiograms and witnessed the administration of Repatha and other vein procedures. Dr. Khan’s skilled technicians provided excellent instruction, enriching my learning experience.

Under Dr. Khan’s mentorship, I acquired knowledge that surpassed what any book could offer. I spent insightful days with healthcare professionals like ultrasonographers, medical assistants, and nurse practitioners, learning about pathologies and their underlying causes. Reading articles from esteemed cardiac journals further expanded my knowledge.
This rotation solidified my dream of pursuing cardiology as a tangible reality. Dr. Khan appreciated my decision-making abilities, hard work, and leadership and teaching skills. Through positive criticism, I experienced personal growth and witnessed the evolution of my knowledge, particularly in complex clinical cases.

I wholeheartedly encourage those interested in cardiology or internal medicine to seize the opportunity to rotate with such an exceptional mentor. Dr. Khan’s emphasis on patience and thoughtful decision-making has left a lasting impression on me. I have gained valuable takeaways, suggestions, and messages that will guide me throughout my life and career.

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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