20 results
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Pain - Differential ... stenosis, Spondylolisthesis ... Vascular - abdominal aortic ... cholecystitis; • Neurologic ... BrighamChiefs #Lower
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Stenosis - Ischemic ... • Trauma - Neurologic ... Disorder • Spinal
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... constipation Differential ... Multilevel lumbar stenosis ... #diagnosis #causes ... #neurology
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... stenosis • Compression ... Pathologic fracture secondary ... : • Aorta: Dissection ... Diagnosis #causes
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Secondary Causes ... Hypertension - Differential ... Diagnosis Algorithm ... : • Aortic coarctation ... #Nephrology #Differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... : - Spinal stenosis ... Weakness - Lower ... syndromes #lesions #differential ... #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Syndrome - Low back pain ... Commonly caused ... Stenosis - Narrowing ... Myotomes #diagnosis #neurology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Post-stroke • Spinal ... #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm ... #Causes
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Injury (AKI) - Differential ... , Renal Artery Stenosis ... Pigment, Protein) • AIN ... #Diagnosis #nephrology ... #causes #algorithm
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential ... findings Unilateral Spinal ... sensory loss to pain ... #Hemiplegia #Neurology