33 results
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential Diagnosis ... spine/Pelvis - Positive ... #Differential #Diagnosis ... #Algorithm #Orthopedics ... #Causes
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Idiopathic JAK-2 Positive ... Abnormal Abdominal Ultrasound ... #Algorithm #Causes
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... conditions (supine position ... #Differential #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... "waiter's tip" position ... Dislocation - May cause ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
syphilis) Meaning: Positive ... Observe when patient closes ... open and closed Positive ... Test #neurology #diagnosis ... proprioception #physicalexam
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
with a normal echocardiogram ... Workup for cause ... EtOH causes thiamine ... AorticRegurgitation #Diagnosis ... #PhysicalExam #
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... • Diagnosis: ... covering both gram positive ... Hypovolemic Shock #Orthopedics ... #Emergencies #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... • Abdominal ultrasound ... #Algorithm #Causes ... #dermatology #physicalexam
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... patient with a diagnosis ... in the supine position ... from the supine position ... Orthodeoxia #Syndrome #PhysicalExam