13 results
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman ... That causes the ... #clinical #video ... #PhysicalExam # ... cruciate #ligament #msk
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 ... Diagnosis Framework ... diagnosis #msk # ... physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... Commonly caused ... #neurology #sensory ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... "waiter's tip" position ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... - Extremely lean ... patient is in the knee-to-chest ... Abdominal #Pain #differential ... #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
lumbar spine • MCC ... Diagnosis: • ... #differential # ... diagnosis #causes ... #neurology
Posterolateral Corner (PLC) Injury - Posterolateral Drawer Test
Injury to the posterolateral corner (PLC) is difficult to
is difficult to diagnose ... ligament injury (PCL ... #Drawer #Test #Positive ... #PhysicalExam # ... #Posterior #msk
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Hyponatremia is usually caused ... Then, ask 3 questions ... demyelination syndrome ... in 100 mL boluses
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Diagnosis Framework ... Management Summary Causes ... Myoglobinuria: UA positive ... #nephrology