These set of video lectures are a useful review for the  USMLE psychiatry test.  They explore the basics of a mental status examination when interviewing  psychiatric patients.
Lecture outline:

Mental status exam:
General description
Appearance, attitude rapport.
Behaviour /Activity
Akathesia: inability to sit still, restlessness (side effects of neuroleptic drugs)
Speech
Differences between:hallucination and illusion.
Types of hallucinations: auditory, visual, tactile, olfactory.
Content of thought
Minimental status [...]

This presentation explores the most relevant features of Neuropsychiatric Systemic Lupus Erythematosus:

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PowerPoint outline:

CNS Lupus
NPSLE based on the revised ACR criteria

NPSLE specific antibodies
Imaging: MRI
Therapeutic approach in CNS lupus – mild disease
Therapeutic approach in CNS Lupus – severe CNS disease: diffuse/nonthrombotic disease

The following PPT file was developed by the International Council of Ophthalmology.
Lecture outline:

Common systemic diseases affecting the eye
Non-infectious: Endocrine – diabetes, thyroid
Connective tissue disease – RA/ SLE/ Wegeners/ PAN/ Systemic sclerosis
Vasculitides (GCA)
Sarcoidosis
Behcet’s Disease
Vogt Koyanagi Harada syndrome
Phakomatoses
Ophthalmic Manifestations of HIV Infection
Herpes Zoster Ophthalmicus
Kaposi’s Sarcoma
Toxoplasma Retinochoroiditis
Syphilis Retinitis

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This video song is quite useful to help USMLE students remember some key facts about diabetic ketoacidosis management and diagnosis. The song offers memorable ways to keep in mind high yield USMLE topics.