55 results
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... a mass as the cause ... Nerve VI problem ... Nerve Ill - Eye ... Differential #Diagnosis #Algorithm
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
myringitis • Cranial ... Ramsay Hunt syndrome ... Temporomandibular joint syndrome ... syndrome • Dental ... osteomyelitis • Tumor Cranial
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
examination: ○ Cranial ... nerves - tumors ... nerves V and VII ... cause unknown) ... II ○ Susac’s syndrome
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... nerve in the radial ... Carpal Tunnel Syndrome ... in the median nerve ... axillary nerve
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Neuronitis • Herpes ... • Semicircular canal ... dehiscence syndrome ... • Cogan's syndrome ... Differential #Diagnosis #algorithm
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Consciousness • Cranial ... Nerve Palsies ... Brown-Sequard Syndrome ... #Causes
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... other potential causes ... Orbital Apex Syndrome ... fissure and optic canal ... Orbital #Apex #Syndrome
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Differential Diagnosis Algorithm ... • Cushing's Syndrome ... Hypothyroidism • Anorexia Nervosa ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Differential Diagnosis Algorithm ... Painful: • Herpes ... ) • Behcet's syndrome ... Differential #Diagnosis #Algorithm ... #causes
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Differential Diagnosis Algorithm ... • Nephritic syndrome ... Excess: • Conn's syndrome ... • Sympathetic nervous ... Differential #Diagnosis #Algorithm