41 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
S1 => Weakened stability ... XR — scotty dog sign ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
micro-damage exceeds ability ... StressFractures #msk ... #orthopedics #pathophysiology ... #symptoms #signs
Jaundice - Pathophysiology and Causes

- Amy Chung, MD, MSc @AmyChung 

#Jaundice #Pathophysiology #Differential #Unconjugated #Causes #Diagnosis
Jaundice - Pathophysiology ... and Causes - Amy ... Chung, MD, MSc ... #Jaundice #Pathophysiology ... #Differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
lesions may start as ... - Pathophysiology ... Ill-appearing, vital sign ... instability - ... Targetoid #Algorithm #Differential
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Manifested as ... the inability to ... make the OK sign ... Peripheral #Injury #OK #Sign ... #physicalexam #msk
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
onto lateral hip Signs ... Complications: • Inability ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #signs #symptoms
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
lumbar spine Signs ... • As soon as ... CaudaEquina #Syndrome #MSK ... #pathophysiology ... diagnosis #symptoms #signs
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Bradycardia - Differential ... Depending on degree of instability ... Start dopamine as ... #Bradycardia #Differential ... Management #cardiology #criticalcare
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... spasm - legs, arms ... Collapse: • Pathophysiology ... → Syncope • Signs ... heat #illness #differential
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Full Set of Vital Signs ... Setup - Ultrasound ... Reversibles 3) Stabilize ... Management #Summary #criticalcare