29 results
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... pancreatitis, PUD ... Differential #Diagnosis #causes ... #primarycare #msk
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... pulmonary edema • Bilateral ... CNS lesion: ALS, MS ... Differential #Diagnosis #Causes
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute ... Demyelination • MS ... • Glaucoma #Unilateral ... Diagnosis #Algorithm #Causes
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Headache: • Unilateral ... Headache: • Bilateral ... Headache: • Always unilateral ... Amy Chung, MD, MSc ... #differential #causes
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
type in adults (bilateral ... • Bilateral? ... cause unknown) ... • Bilateral: ○ ... Noise trauma ○ MS
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
fractures in elderly Causes ... exerted onto the lateral ... Femur #Fractures #msk ... #differential #causes
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... not have to be bilateral ... CaudaEquina #Syndrome #MSK
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
Crohn's Disease - IBD ... ileum • Most cases ... Amy Chung, MD, MSc ... Crohns #Disease #IBD
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... , worse at the bases ... Amy Chung, MD, MSc ... Lung #Diseases #ILD ... #Causes #Differential
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Lateral perforations ... Nonrebreather Mask ... retention of exhaled gases ... Venturi Mask (venti-mask ... • Uses either