14 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
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Normotensive: • UCl ... Post-hypercapnia • UCl ... #Differential #Diagnosis ... #Algorithm #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... #PhysicalExam #neurology ... #comatose #diagnosis
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
reflex response ... A positive test, ... Babinski #Sign #Reflex ... PhysicalExam #Diagnosis ... #Neurology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Hematuria, Hemoptysis, Peripheral ... Differential Diagnosis ... , biopsy By Tess ... #differential #diagnosis ... #nephrology
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
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Low-normal EABV ... • Low Urine Cl ... • High Urine Cl ... differential #algorithm #diagnosis ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Kidney loss of Cl ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... 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 ... or the axon of peripheral ... depressed deep tendon reflexes ... and sensitive tests ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Decreased / Absent Reflexes ... Guillain-Barre Diagnosis ... CSF PROTEIN - NORMAL ... #diagnosis #management ... #treatment #neurology