123 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Hematoma Venous Causes ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... and bilateral leg ... Commonly caused ... sensory #motor #leg
Apley Compression Test on Knee Examination

With the patient prone, the knee being tested is flexed to
Compression Test on Knee ... patient prone, the knee ... while the other leg ... compression force on the leg ... #orthopedics #msk
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Differential Diagnosis Algorithm ... Parkinson's, MS) ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Differential Diagnosis Algorithm ... infection in upper extremity ... Inguinal: • Leg ... #Causes #Hematology
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
looseness of the knee ... That causes the ... knee to buckle during ... Lachmans #test #ACL #Knee ... cruciate #ligament #msk
Mechanisms of Lower Extremity Edema: #Diagnosis #Pathophys #EM #IM #Edema #Lower #LowerExtremity #Causes #Starling #Oncotic #Hydrostatic
Mechanisms of Lower Extremity ... LowerExtremity #Causes ... Differential #Mechanism #Algorithm
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... paralysis) in both legs ... loss of normal leg ... disturbance in legs ... CaudaEquina #Syndrome #MSK
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Gout- usually LE ... , early in dz, neg ... Usually involves the knee ... Differential #Diagnosis #Causes
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 ... Diagnosis Framework Knee ... distal to the knee ... #Effusions #causes ... differential #diagnosis #msk