13 results
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 ... - Differential ... bearing after injury ... Loss of signal pulses ... diagnosis #msk #
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... disorders: - Aortic ... regurgitation - Aortic ... Acute Coronary Syndrome ... • Blunt Abdominal
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... investigations depending on clinical ... context and signs ... renal biopsy • Abdominal
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Limb ischemia • Aortic ... Trauma • Crush injury ... refill - Poor pulses ... lower #extremity #msk
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... patient is in the knee-to-chest ... Positive Carnett's sign ... incisional hernias: clinical ... #differential #
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
or acute kidney injury ... 109 mm Hg) with clinical ... renal bruit or signs ... Coarctation of aorta ... #Differential #
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Collapse: • Pathophysiology ... → Syncope • Signs ... - Decreased pulse ... - Headache - Abdominal ... #diagnosis #causes
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Pathogenesis and Clinical ... 85%) - Colicky abdominal ... nephrotic/nephritic syndrome ... arthritis (especially knees ... #Diagnosis #Signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - GI tract: abdominal ... purpura: strong sign ... diminished, or tender pulses ... Supply gut -> abdominal
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... normal distal pulses ... Compartment syndrome ... CLINICAL: instability ... #msk #clinical