9 results
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis ... Ischemia, Compartment Syndrome ... Demand: Stress / Pain ... testing • Seen in Short ... Bowel Syndrome,
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
anatomic snuffbox, pain ... ED Management: Pain ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Bone/Joint Causes ... • Sciatica • Tarsal ... Herpes zoster - HIV ... lower #extremity #msk
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Diagnosis The ... / hypoxemia -> focus ... tests before beginning ... - Compartment syndrome ... Ethylene glycol - HIV
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... e.g., congenital hip ... osteopetrosis, avascular ... #MSK #rheumatology ... #differential #diagnosis
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
- Differential Diagnosis ... also seen • Lactic ... acidosis may not ... reflexes - Burning pain ... AV shunt, renal vascular
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... zoster virus ○ HIV ... #Differential #Diagnosis
Esophageal Necrosis
Etiology:
 - Ischemia and Gastric Outlet Obstruction with GERD may be inciting events
 - Associated
Stevens-Johnson syndrome ... hepatitis and lactic ... acidosis, and Aortic ... event (low flow vascular ... Diagnosis: - EGD
There are similarities and differences between these 3 conditions which all carry treatment implications. Each mimic
breakdown of glycogen stores ... But we also have Lactic ... for Refeeding Syndrome ... causing Hypoglycemia once ... #diagnosis #differential