17 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... #HeadImpulse #Testing ... #HIT #HINTS
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
HINTS Exam - Abnormal ... Test of Skew (Abnormal ... cause of vertigo ... #Neurology #Vertigo ... #Central
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
HINTS Exam - Normal ... = Central Cause ... This patient as ... Video by Dr. ... #Neurology #Vertigo
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
disposition, even if the cause ... CNS, Central nervous ... , Head Impulse Test ... #Diagnosis #AVS ... #Posterior #CVA
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
forehead) in classic posterior ... with vascular causes ... , such as with posterior ... #Vertigo #diagnosis ... symptoms #comparison #neurology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... adrenal glands as ... Evaluation #laboratory #diagnosis ... #testing #endocrinology ... #workup
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
edema visualized as ... thrombosis Testing ... the underlying cause ... with AEDs until cause ... #management #neurology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... C3, C4 - Test for ... infections are common causes ... #workup #diagnosis ... nephrotic #nephritic #nephrology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... , EPO levels: normal ... about secondary causes ... Best to have an ... #Algorithm #workup
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
symptoms are not caused ... mediators such as ... General: fever, ... nodules; anterior/posterior ... ), liver (pain/abnormal