Medical thrillers are suspenseful, fast-paced novels set in hospitals or research centers. Main characters are often medical professionals, and bad things are happen to their patients. Many writers in this genre are medical professionals and draw on their knowledge to punch up the plot lines. If you want a second opinion, you can find the complete list at:
http://www.overbooked.org/booklists/crime_fiction/medthrillers.html

Originally published in 1969, this is a classic of the genre. A team of scientists struggles to define and contain a deadly bacteria brought back from outer space by a satellite.

When Ryan and Jessamine McCloud are hired to investigate the neurological and genetic implications of violence, they uncover a possible link between human violence and a contagious unknown toxin that is causing a global epidemic.

When an unknown attacker is injured in the process of his capture, ER chief David Spier is ostracized for treating the man, a situation that is further complicated when the assailant escapes, prompting Spier to delve into his own past.

Dr. Matt Rutledge is convinced that the coal-mining company in his West Virginia hometown of Belinda is responsible for the gross skin abnormalities and dementia he's seen in some of Belinda's townfolk. But pathologist Nikki Solari isn't so sure. Things only begin to make sense when the doctors meet Ellen Kroft, who suspects a new supervaccine, soon to be approved for the public, is at fault.

Awakening from a coma after a rare jellyfish attack, Jack Koryan experiences profound memory capabilities and flashbacks that prompt his partnership with a pharmacologist who is searching for a cure for Alzheimer's disease.

Resisting those who would use a revolutionary new technology for unethical purposes, doctor David Tennant and psychiatrist Rachel Weiss run for their lives from ruthless NSA agents and turn to David's unusual dreams for guidance.

Private investigator Joe Lassiter is looking into the murders of his sister and nephew as the police, with no motive or suspect, are ready to close the case. Joe travels to Italy and Czechoslovakia, where he encounters a doctor's secret—a secret that has worldwide ramifications and could shake the foundation of the Catholic Church.

Called in by the CDC after three mentally handicapped women with the same mysterious symptoms check into the same Baltimore hospital, Dr. Nathaniel McCormick is caught in a web of deceit as he follows the trail of a lethal virus to California.

Investigating a series of deaths that have taken place among seemingly healthy young people after routine surgeries, doctors Montgomery and Stapleton confront institutional politics that prevent them from proving that the deaths were intentional. This is the fifth Jack Stapleton and Laurie Montgomery series, which begins with Blilndsight.

Investigating the mysterious deaths of a fishing boat's passengers, World War II doctor Frank Brink realizes that a biological weapon was responsible, a discovery that prompts him to infiltrate a German laboratory in occupied France.

When a thirteen-year-old boy falls victim to an accident that damages his brain, two scientists combine their ground-breaking research to push the boundaries of human consciousness.

After agreeing to participate in an experiment in the biology of human emotion for his Oxford tutor in exchange for a trip to a luxury resort in Kenya, Ben Ashurst soon discovers the terrifying reality behind the seeming paradise.

Major Roger Grayson's official investigation into two top-secret government experiments aimed at using multiple personality disorder to create the perfect assassin leads him to the beautiful Susannah Card, a talented "mosaic" with the ability to control her separate personalities.

A medical student discovers a dangerous and far-reaching conspiracy, in a story that invokes the terror of modern medicine run amok.

A female heart surgeon, terrorized by a serial killer in Boston using the same MO as a killer who attacked her during her internship years in Savannah, works with a detective to solve the crime while trying to stay alive. This is the first Jane Rizzoli novel.

Working in the shadow of her infamous police officer father, SWAT medic Maggie O'Brien struggles with the temptation to mete out her own form of justice and discovers evidence that someone else may be doing the same.

After serving on the War Crimes Tribunal in the Hague, railroad lawyer Elliot Stone returns to the U.S. and finds himself embroiled in a medical mystery surrounding the string of apparent murders of terminally ill patients.