118 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... lung diseases, pulmonary ... asthma, COPD, pulmonary ... shunting (eg, pulmonary ... hepatopulmonary syndrome
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Ehlers-danlos Syndrome ... (LCDD), Cystic Pulmonary ... Birt-Hogg-Dubé Syndrome ... differential #diagnosis #causes ... #pulmonary
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... - Tamponade Pulmonary ... Vasculature: - PE - Pulmonary ... Hepatopulmonary syndrome ... #pulmonary
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... Most cases are congenital ... #clinical #video
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... superior vena cava syndrome ... PhysicalExam #clinical #video ... neck #mass #SVC #Syndrome
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
reactions, hematoma, pulmonary ... , Rotor syndrome ... cholestasis, and some cases ... miscellaneous causes ... #differential #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Acute Coronary Syndrome ... Pleural Thickening/Masses ... Vessels • Pulmonary ... Diagnosis #Algorithm #Causes
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... • Nephrotic syndrome ... Malignancy • Pulmonary ... Pleural #Effusion #Pulmonary ... Algorithm #Hepatology #causes
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for Ulnar ... grip weakness caused ... by ulnar nerve ... Froments #Sign #Test #Ulnar ... Palsy #clinical #video