A high-yield, practical guide for psychiatry residents to read before starting their Consultation-Liaison Psychiatry rotation. Perfect for psychiatry interns, or senior medical students starting psychiatry residency. Dr. Casey Waynes is the collective pen name for this group of medical doctors, who have completed psychiatry residency. Topics include: What is CL Psychiatry? - What makes a good Psychiatry Consult note? - Common Psychiatric Diagnoses in the Medically Ill Delirium vs Dementia - Depression and Anxiety in the hospital - Overdose, substance use and withdrawal - Catatonia Bush Francis Catatonia Scale - Ativan challenge vs ECT - Risk assessment (involuntary holds, duty to warn) - Capacity Assessments (Applebaum criteria) - Emergency Psychiatry & Acute Agitation - Appendix: High-Yield Assessment Tools to Know CAM (Confusion Assessment Method) - PHQ-9 and GAD-7 - CIWA (alcohol withdrawal) - Psychopharmacology Table And many more!