14 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Abdominal Reflex L2 Anterior ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Usually maintains anterior ... Differential diagnosis ... not attached to anterior ... BucketHandle #Tear #knee ... #mri #clinical
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Varies • No neurologic ... findings BPPV • Short-lived ... Dizziness #Vertigo #Algorithm ... #differential #
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
MRI is more sensitive ... tibial tuberosity Differential ... condition but at the inferior ... Schlatter #Disease #Knee ... patella #clinical #mri
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Hypokalemia - Differential ... Diagnosis Algorithm ... of hypokalemia starts ... #diagnosis #algorithm ... #causes #nephrology
Slocum's Test for Anteromedial Rotary Instability (AMRI) and Anterolateral Rotary Instability (ALRI) of the Knee

Slocum’s test
(ALRI) of the Knee ... version of the Anterior ... Drawer Test of the knee ... #ALRI #Knee #clinical ... #orthopedics #sports
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... Pain #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
• The anterior ... mucinous signal on MRI ... Differential Diagnosis ... #degeneration #knee ... #clinical #mri
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
vertigo (BPPV) - Short-lived ... Occlusion of posterior inferior ... with significant neurologic ... Vertigo #Causes #differential ... #diagnosis #neurology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
ECGs - Ischemia MI ... deWinter T waves - starts ... in avL - early inferior ... MI - R/S >1 or ... Interpretation #differential