64 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Chamber: • Acute angle ... Differential #Diagnosis #table ... #causes #ophthalmology
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Inability to perform simple ... patient is still able ... to copy Causes ... : Stroke (main cause
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Nerve • Acute Angle ... Demyelination • MS ... Diagnosis #Algorithm #Causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
provide the earliest clues ... repolarization causes ... in conduction causes ... produce classic sine ... #Progression #Table
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... anticoagulant therapy - Sickle ... Ravi Singh @rav7ks ... Knee #Effusions #causes ... differential #diagnosis #msk
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
very drying; Simple ... Nonrebreather Mask ... retention of exhaled gases ... Venturi Mask (venti-mask ... • Uses either
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
IBD Comparison Table ... ileum • Most cases ... Amy Chung, MD, MSc ... IBD #Comparison #Table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Sjogren’ssyndrome, sickle ... Differential #Diagnosis #Table ... #Causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Occlusion • Sickle ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
the eye can be caused ... Common Causes: ... lashes Dangerous Causes ... Lens: • Acute angle ... Questions to Ask