56 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Leg Pain: • Fracture ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... such as fibular fracture ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... Framework for Lower Extremity ... Unilateral Lower Extremity ... #differential #diagnosis ... #PhysicalExam #
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
you evaluate her JVP ... the underlying diagnosis ... Causes = RV failure ... Kussmauls #Sign #PhysicalExam ... Clinical #Neck #JVP
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
- Differential Diagnosis ... PCWP • Exam: ↓ JVP ... findings based on cause ... anaphylaxis, release syndrome ... #Differential #Diagnosis
REBEL Review 99: Serotonin Syndrome via Yosuf Alam, MSIV

Presentation: Altered mentd status, Seizures, Myoclonus, Hypertension, Hyperthermia
99: Serotonin Syndrome ... Hyperthermia (most common cause ... rigidity (Lower extremity ... Upper extremity ... ) Diagnosis:
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Differential Diagnosis ... distinguishing feature ... #differential #diagnosis ... #causes #neurology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential Diagnosis ... Embolism (e.g. fractured ... Marfan's Syndrome ... #Differential #Diagnosis ... #Orthopedics #Causes
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential Diagnosis ... of neoplasm • Fracture ... • Cauda Equina Syndrome ... #Algorithm #Causes