Episode 198: HumanDx Unknown with Laura, Stef, and Jack – hematochezia and abdominal pain

Alec presents a case of abdominal pain and hematochezia to Laura, Stef, and Jack.


Laura Geiszler

Laura Geiszler is a third-year Internal Medicine resident at Lankenau Medical Center in Wynnewood, Pennsylvania. 

Laura completed her medical school at Philadelphia College of Osteopathic Medicine.
She has a passion for humanizing medicine and promoting health and wellness to prevent disease. 

Outside of work she is a proud cat mom, fitness lover, fiction book enthusiast, and fashion addict.


Stefanie Gallagher


Stefanie is a PGY-3 internal medicine resident at Lankenau Medical Center, located in Wynnewood, PA. 

She earned her medical degree from the Philadelphia College of Osteopathic Medicine, with a dual-degree in Bioethics from the University of Pennsylvania. 

She is an aspiring gastroenterologist and has a passion for disorders of the gut-brain axis. 

Outside of medicine, she enjoys her English bulldog (Boomer), cycling, and reading non-fiction.


Alec Rezigh

Alec Rezigh is an academic hospitalist at Baylor College of Medicine in Houston, TX. 

He completed medical school at McGovern Medical School in Houston and his residency at The University of

His clinical interests include medical education and clinical reasoning. 

He loves all things basketball, CPSolvers, and playing with his human and doggy daughters.



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