8419 results
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 ... Dislocation - May cause ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam
Kussmaul's Sign on Physical Exam

What’s the diagnosis?
Severe biventeicular failure with + Kussmaul sign! NICM. No constriction!

-
What’s the diagnosis ... and other rarer causes ... Kussmauls #Sign #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Bone/Joint Causes ... Hematoma Venous Causes ... #differential #diagnosis ... extremity #msk #physicalexam
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
has a number of causes ... Other causes include ... Causes include ... Abnormalities #Abnormal #Diagnosis ... #PhysicalExam
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
inspiration • Caused ... expiration • Caused ... wheezing sound caused ... Findings #Pulmonary #PhysicalExam ... #diagnosis #signs
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
females Differential Diagnosis ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
- Differential Diagnosis ... #differential #diagnosis ... #causes #pulmonary ... #airway #physicalexam
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
the underlying diagnosis ... Causes = RV failure ... pericarditis (this case ... Kussmauls #Sign #PhysicalExam
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #Causes ... #dermatology #physicalexam