14 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Acute or chronic ... And BMP Normal Values ... Diagnosis: Causes ... #Summary #Nephrology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
lumbar spine • MCC ... - acute lumbar disc ... Imaging studies: • MRI ... #diagnosis #causes ... #neurology
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
fib, prosthetic valves ... Endocarditis, Acute ... EricsMedicalLectures/ #Stroke #causes ... #differential # ... diagnosis #neurology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Renal failure (acute ... #Acidosis #differential ... #diagnosis #causes ... #nephrology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... toxo IgG • CNS PCR ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Diagnosis ECF ... postchronic hypercapnia (acute ... #Diagnosis #Causes ... #nephrology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Syndrome - Summary Acute ... Epidemiology: • 1-2 cases ... variants: (1) acute ... axonal form • MRI ... nerve roots and cauda
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... Impairment: • Acute ... ) studies • MRI ... #Diagnosis #neurology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... impairment of cellular metabolism ... sweat) - its metabolism ... to bolus these values ... #Diagnosis #causes
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Syndrome (GBS) Acute ... Incidence: 1 to 2 cases ... - Spinal MRI may ... nerve roots and cauda ... #management #neurology