10 results
Spinal Epidural Abscess - Classic triad (back pain + fever + neuro deficits) found in only
Spinal Epidural ... in only 2-13% #Diagnosis ... #EM #NSG #Epidural ... Abscess #Algorithm #ALiEM
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Density of water SG ... to ADH) • ATN SG ... Interpretation #diagnosis ... #differential # ... nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... • GI losses (NG ... #Diagnosis #Algorithm ... #nephrology #low
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Disease (MS), Epidural ... Weakness #Causes #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Diagnosis Framework ... abscess • Epidural ... spinalcord #disorders #diagnosis ... #neurology #differential
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... • Vomiting • NG ... MetabolicAlkalosis #NonGap #Nephrology ... #Differential #
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Red Flags and Differential ... Diagnosis Red ... Subdural hematoma, epidural ... #Headaches #diagnosis ... #differential #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
sequestration • epidural ... constipation Differential ... Diagnosis: • ... #diagnosis #causes ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Diagnosis: Causes ... - Vomiting, NG ... Interpretation #Diagnosis ... #Summary #Nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Hypokalemia - Differential ... Diagnosis Algorithm ... • Vomiting • NG ... #Hypokalemia #Nephrology ... #Differential #