10 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... result is positive (abnormal ... a stand-alone test ... #Diagnosis #PhysicalExam ... #Neurology #AVS
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
reflex response ... A positive test, ... also known as a ... PhysicalExam #Diagnosis ... #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... /flaccid limbs vs ... #PhysicalExam #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... • Provocative Tests ... absent anal wink test ... #differential #diagnosis ... #causes #neurology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter syndrome ... , Gitelman syndrome ... acid-base status ... urine #Algorithm #nephrology ... #differential #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... depressed deep tendon reflexes ... and sensitive tests ... pathophysiology as ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... (AG) = {Na - (Cl ... D-lactate (short bowel syndrome ... #Summary #Nephrology ... bloodgas #Acid #Base
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
testing is largely based ... components: targeted neurologic ... if the cause is peripheral ... , Head Impulse Test ... #Diagnosis #AVS
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... injury • Gait is abnormal ... MCTD, Sjogren syndrome ... reflexes: Areflexia ... #neurology #differential
Nail Pathologies - Findings in or Near Nails

Paronychia 

A superficial infection of the proximal and lateral
tissue at the nail base ... hyperthyroidism, peripheral ... seen in Reiter's syndrome ... Nail #Diseases #Abnormal ... #Pathology #Diagnosis