52 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... VI (Abducens) Nerve ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology #differential
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... : ß-blockers, CNS ... #bradycardia #Causes ... #differential # ... diagnosis #infectiousdiseases
Hypertension and Altered Mental Status (AMS) - Differential Diagnosis Framework

Hypertension:
 • Hypertensive emergency
 • Hypertensive encephalopathy
Status (AMS) - Differential ... • Cushing’s syndrome ... • Serotonin syndrome ... encephalopathy #altered #Differential ... #Diagnosis #causes
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... nervous system (CNS ... Inflammatory causes ... : • Susac syndrome ... #inflammatory #differential
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... NSAIDS, Steroids, CNI ... Other Endocrine causes ... low renin HTN causes ... #Hypertension #differential
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... • CNS: parietal ... (Many causes!) ... * (most common cause ... diagnosis #neurology #differential
Causes of Hyperpyrexia (Temp > 106.7° F) - Differential Diagnosis
 • Heat Stroke
 • Drug-induced: Amphetamines,
Causes of Hyperpyrexia ... > 106.7° F) - Differential ... • Serotonin syndrome ... Thyrotoxicosis • CNS ... #Diagnosis #Causes
Serotonin Syndrome Drug Precipitants and Pharmacology
↑ Serotonin Formation: Tryptophan, Oxitriptan
↑ Serotonin Release: Amphetamines, Cocaine, Mirtazapine
↑ Serotonin
Serotonin Syndrome ... Precipitants and Pharmacology ... #Pharmacology # ... medications #causes ... #differential #
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... Vertigo Peripheral Causes ... Vestibulocochlear Nerve (CN ... Wallenberg syndrome ... #differential #
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... cirrhosis, nephrotic syndrome ... Pulmonary Diseases, CNS ... #Hyponatremia #Differential