Medical education with Mike Hansen, MD

Diagnosing
the Pattern.

Start with a rising oxygen requirement after surgery. Make your choice, read the complete free explanation, and continue the same practice case in your learning account.

Start the free clinical case Ask Doctor Hansen

One fictional case. Complete free explanation. No account required.

Dr. Michael Hansen in a blue jacket — **Michael Hansen, MD**Pulmonary & critical care physician · Founder, Operation ADH

Understand the case. Carry the lesson forward.

One case, from first choice to deeper discussion.

Diagnosing the Pattern of a Rising Oxygen Requirement. Start free; continue with saved member practice and optional ADH AI.

Free clinical case

Make your call.
Understand the pattern.

A fictional postoperative case. Choose an answer, compare explanations and review the sources. The complete free explanation does not require an account or purchase.

01 Consider the findings

02 Review the reasoning and uncertainty

03 Check the sources

Start the free clinical case →Available now

ADH AI for members

Continue the same case.

Save your practice progress and discuss the case with Maya, Operation ADH’s educational AI. Learn on your own schedule. AI can make mistakes; check its references.

Your case stays with youOptional AI discussion

Open the case in your learning account →

Active membership required · Existing AI credits apply

Continue your member case →Saved progress

Related free teaching

Watch Dr. Hansen explain a related case.

Doctor Explains Pitcher Dies After Tommy John Surgery. This historical video concerns a different case. The fictional practice case has its own explanation and cited sources.

Watch the related teaching

Michael Hansen, MD — related clinical teaching

Need a custom educational explanation?

Ask Doctor Hansen is a separate service: written educational replies or higher-priced video replies. Scope, fee and delivery are agreed before payment.

Ask Doctor Hansen