I've had some medical issues and work as an IT troubleshooter by profession, so I think I know when to suspect that someone is throwing me a line of bullshit, whether it be computer or user. In the case of a medical practitioner, I have found a few doctors (over 20 yrs experience) who try to bullshit me with a potential line about what they think the cause of my medical problem is or what the solution may be.
What it boils down to is that doctors are NOT omniscient. Just like us IT troubleshooters who do a lot of diagnosing of IT problems based on past experience, suspicions, and gut feelings, doctors do the same. They use their clinical training, their past experience to arrive at a PROBABLE DIAGNOSIS that is then usually borne out by any tests that may need to be performed.
MY STORY
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With a pinched nerve and ruptured vertebra disc in my neck causing me major pain, one surgeon swore up and down that I _HAD_ to have a spinal fusion. Took his word for it. Spoke with my father about it who told me to get a second opinion....glad I did. The 2nd surgeon was a bit upset that #1 surgeon didn't try anything else prior to recommending surgery, so we did therapy first and then steroid shots (which resolved the issue). Prior to the therapy/steroid shot, I was sitting next to the anesthesiologist while my wife gave birth via C-section who noticed my twisted neck and painful expression (I was supposed to get the steroid shot that morning but my wife decided to go into labor instead ). He asked my story, I told him and named the doctor. His comment? "Yeah, I've heard that he [the surgeon] is surgery happy"......greeeeeeat......
Before the whole thing even started, my Primary Care Provider said "it's probably just a pulled muscle" (painful and sore all the time). Asked for x-rays, refused. Demanded them, got them. First comment from PCP was "Wow! You have HUGE bone spurs". Sent me to Physical Therapy. After 6 sessions of weekly therapy with little relief, therapist says "I don't think you have a pulled muscle, I think you have a pinched nerve or disc problem". Back to the PCP, who said "Well, they're just a PT, they're probably wrong." After 1st experience with PCP with x-rays, demanded a referral to a spinal specialist. You've already seen my story about him in the preceding paragraph.
Long story short - doctors are not god, hold them accountable. they are only as good as GIGO, and if they don't keep up with all the changes in their chosen field or open to using the most conservative treatment possible, then they are worse than useless, even dangerous.
And, mind you, there were "experienced clinicians"