344 results
Addictions: Pathogenesis

Mesolimbic Dopaminergic Pathway:
 • Dopaminergic neurons in Ventral Tegmental Area (VTA) in midbrain under continuous
Addictions: Pathogenesis ... drugs), the VTA releases ... which influence addictive ... behaviours -> Addiction ... Withdrawal) #Drug #Addiction
Drop Arm Test - Supraspinatus Tear

The drop arm test evaluates for a supraspinatus muscle tear.
Passively adduct
Drop Arm Test - ... The drop arm test ... The test is positive ... after the examiner releases ... PhysicalExam #clinical #video
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Piriformis Test ... (FAIR Test - Flexion ... , Adduction, and ... is a positive test ... lumbar #clinical #video
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Diagnosis Algorithm 4 tests ... Cross-arm shoulder abduction ... after cross-arm test
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
Hoffmann's reflex test ... is flexion and adduction ... Abnormal #clinical #video
Global Alliance algorithm to improve outcomes in acne.
†With small nodules (>0.5–1 cm).
‡Consider physical removal of comedones.
§Second
course in case of relapse ... pregnancy, see text ... ††See text. alt.
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Signs: painful abduction ... arm, empty can test
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
condition Specificity relates ... Specificity of a test ... disease, who will test
Positive Anterior drawer test video

Test for ACL integrity. Knee at 90 degree pulling tibia forward. (+)
Anterior drawer test ... video Test for ... tibia forward. (+) test ... Anterior #Drawer #Test ... Positive #Clinical #Video
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse Test ... Cause This video ... Normal Head Impulse Test ... Video by Dr. ... PhysicalExam #Clinical #Video