56 results
Unmeasured Anions Associated with an Elevated Anion Gap and Metabolic Acidosis

#Unmeasured #Anions #Gap #Metabolic #Acidosis #Diagnosis
Unmeasured Anions ... #Unmeasured #Anions ... Acidosis #Diagnosis #Nephrology ... #Differential #Causes
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... located in the central ... Second most common cause ... disease (Most common cause ... Ophthalmology #Fundoscopy
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... of optic nerve axons ... OpticDisc #Cupping #fundoscopy
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo ... Algorithm #Diagnosis #Neurology ... Dizziness #Peripheral #Central
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... ganglion cell axons ... CottonWool #Spots #fundoscopy
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Forehead Sparing = Central ... cause - Most ... Diagnosis #Algorithm #Causes ... #neurology #sparing
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Peripheral Causes ... Causes (Uncommon ... #diagnosis #neurology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
worrisome for a CENTRAL ... cause of vertigo ... Video #Positive #Neurology ... #Central #Vertigo
CLINICAL MANIFESTATIONS 
OF ADRENAL INSUFFICIENCY. 

Primary and secondary adrenal insufficiency:
 - Tiredness, weakness, mental depression
Tiredness, weakness, mental ... hypotension - Nausea ... thyroid disease - Central ... Insufficiency #Addisons
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... Osmotic diuresis • Central ... Differential #Diagnosis #Causes ... #nephrology #sodium