Explore a comprehensive medicine lecture on Parkinson's disease, covering symptoms, treatment, and management. Delve into the etiology, presentation, and key features like bradykinesia, resting tremor, and rigidity. Learn about different types of gait, including festinating and shuffling, as well as Parkinson's dementia. Examine atypical Parkinson's syndromes, such as Shy-Drager syndrome and progressive supranuclear palsy. Understand diagnostic tests like Froment's maneuver and the pull test. Review pharmacological treatments, including drug mechanisms and treatment approaches for various patient presentations. Gain insights into advanced therapies like deep brain stimulation. Perfect for medical students preparing for USMLE Step 2 CK and NCLEX exams.