131 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Erb's Palsy is caused ... hand" ± Horner Syndrome ... Wrist drop - Occurs ... Carpal Tunnel Syndrome
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Phalen's Test for Carpal ... Tunnel Syndrome ... tunnel syndrome ... Fully flex wrists ... #Wrist #PhysicalExam
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Phalen's Test for Carpal ... Tunnel Syndrome ... tunnel syndrome ... Fully flex wrists ... #Wrist #PhysicalExam
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Involvement, Spares DIP, Carpal ... Tunnel, Sicca Syndrome ... Instability, Felty's Syndrome ... RA #diagnosis #rheumatology
Carpal Compression Test for Carpal Tunnel Syndrome

The carpal compression test evaluates for carpal tunnel syndrome.
Provide direct
Tunnel Syndrome ... tunnel syndrome ... volar side of the wrist ... #Test #Tunnel #Syndrome ... #Wrist #PhysicalExam
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
and Peripheral Causes ... oticus (Ramsay Hunt syndrome ... • Semicircular canal ... dehiscence syndrome ... • Cogan's syndrome
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology ... #rheumatology #
Tinel's Test in Carpal Tunnel Syndrome

Perform a Tinel's test by tapping over the carpal tunnel.
Reproduction of
Tinel's Test in Carpal ... Tunnel Syndrome ... tapping over the carpal ... #Tunnel #Syndrome ... #Wrist #PhysicalExam
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... Tamponade Pulmonary Causes ... Hepatopulmonary syndrome ... Other Causes ... Transverse myelitis • Hematology