110 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Insect stings Disease ... - Ice cube test ... , TempTest test ... rheumatology #comparison #table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... Screening #Workup #table
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse Test ... = Peripheral Cause ... Normal Head Impulse Test ... for a PERIPHERAL cause ... #HINTS #PhysicalExam
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Lelli's Test (Lever ... rises from the table ... rise from the table ... #Lellis #Test #Lever ... clinical #video #physicalexam
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... for a CENTRAL cause ... Vertical #Skew #Test ... #HINTS #PhysicalExam
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... correctly diagnose a case ... that any given case ... implies being able ... #Calculation #Table
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... Central Cyanosis: Onset ... Central #Cardiology #Causes ... #Table #Comparison
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
Thomas' Test for ... Contracture Thomas' Test ... rises off the table ... , the test is positive ... #Contracture #PhysicalExam
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 ... a stand-alone test ... #Diagnosis #PhysicalExam
HINTS Exam - Normal Test of Skew (Normal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Normal Test ... for a PERIPHERAL cause ... Vertical #Skew #Test ... #HINTS #PhysicalExam