42 results
Extreme Patellofemoral Joint Instability (PFJI)

In this video you can see an extreme rare case of bilateral
Extreme Patellofemoral ... an extreme rare case ... acute patellar dislocations ... recurrent patella dislocation ... #Patellofemoral
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Pulse-Temperature Dissociation ... BPM INFECTIOUS CAUSES ... • Fever OTHER CAUSES ... pulse-temperature dissociation ... #Temperature #Dissociation
Patellar dislocation
 - Most common in young athletes
 - Mechanism: twisting of extended knee with foot
Patellar dislocation ... medial blow - causes ... patella (medial patellofemoral ... XRay #Patellar #Dislocation
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Pulse-Temperature Dissociation ... Causes of Relative ... • Infectious Causes ... Non-Infectious Causes ... #Temperature #Dissociation
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... Atrioventricular dissociation ... it indicates AV dissociation
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Tunnel Syndrome - Causes ... Anterior Shoulder Dislocation ... - May cause axillary
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Oxyhemoglobin Dissociation ... Oxyhemoglobin #Dissociation ... #Differential #Causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Osteomyelitis • Patellofemoral ... Hematoma Venous Causes ... Edema Arterial Causes ... aneurysms Nerve Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
for intracranial masses ... a mass as the cause ... Cataract/Lens Dislocation ... Diagnosis #Algorithm #Causes
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
., light-near dissociation ... It is caused by ... infection which causes