124 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... positional episodes caused ... No auditory symptoms ... Méniére's disease ... Long symptom-free
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
smear, HIV/HCV testing ... K), H. pylori test ... (GI symptoms/endemic ... thyroid function test ... (CVID, WAS), (neurologic
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and duration of symptoms ... angioedema Other symptoms ... - Ice cube test ... , TempTest test
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... Tuberculosis: can cause ... Lymphoma Metastatic Disease ... clue • Blood tests ... ACTH stimulation test
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Méniére's disease ... without an obvious cause ... course of the disease ... Disease onset usually
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
mimics, repeat testing ... nephrolithiasis • Symptoms ... proteinuria, RBC casts ... → Refer to Nephrology ... if cause not identified
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... patient with vertigo symptoms ... for a CENTRAL cause ... Vertical #Skew #Test ... Clinical #Video #Neurology
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse Test ... = Peripheral Cause ... patient with vertigo symptoms ... for a PERIPHERAL cause ... Clinical #Video #Neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... with a central cause ... #PhysicalExam #Neurology ... #HeadImpulse #Testing
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... vomiting, auditory symptoms ... • Meniere's Disease ... symptoms/signs, ... Diagnosis #Algorithm #Causes