After my post yesterday, "Differential Diagnosis, Defensive Medicine and Medical Malpractice: Coumadin Edition," the original physician responded on WhiteCoat’s Call Room at length:

Max Kennerly is another lawyer that posted a response on his blog “Litigation & Trial.” He accused me of being afraid to use the “basic principle of clinical medicine known as

[Note: I wrote this article back in 2009. Since then, the FDA approved Pradaxa as a substitute for Coumadin. Pradaxa has an even greater risk of intracranial hemorrhage than Coumadin, and there’s no reversal agent, unlike how Vitamin K reverses Coumadin. The concerns raised below thus apply even more to patients on