58 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute stroke ... Delayed finding in stroke ... Testing #Causes #differential ... #diagnosis #table ... #neurology
Differential Diagnosis for Transient Confusion -  6 S Approach:

• Sugar
• Syncope
• Seizure
• Stroke
• Substances
• Sleepiness

#AMS
Differential Diagnosis ... • Seizure • Stroke ... Sleepiness #AMS ... Transient #confusion #differential ... #diagnosis #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... → "setting sun sign ... Vascular disease (stroke ... #diagnosis #pineal ... #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Diagnosis Algorithm ... : • Vascular: Stroke ... vasoconstriction syndrome ... Hypomagnesemia, Hypocalcemia ... #Causes #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
often classified as ... - Vascular - Stroke ... - Strong Medicine ... Central #Causes #differential ... #diagnosis #neurology
The Hot and Altered Patient in the ED - Differential Diagnosis Framework
 • Heat Stroke
 •
Patient in the ED - Differential ... Diagnosis Framework ... • Heat Stroke ... • Serotonin Syndrome ... #AMS
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... retraction (Collier's sign ... "setting sun" sign ... Vascular disease (stroke ... #neurology #diagnosis
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Dizziness - Differential ... Diagnosis Framework ... Disease • Central: Stroke ... • Orthostatic: Hypovolemia ... #Diagnosis #neurology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
diuresis, Bartter's syndrome ... use), Gitelman's syndrome ... exercise, Heat stroke ... #Causes #differential ... #diagnosis #nephrology
Hypertension and Altered Mental Status (AMS) - Differential Diagnosis Framework

Hypertension:
 • Hypertensive emergency
 • Hypertensive encephalopathy
) - Differential ... Diagnosis Framework ... • Cushing’s syndrome ... Hyperthyroidism CNS: • Stroke ... #Hypertension #AMS