58 results
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Laboratory Testing ... bilirubin LDH Peripheral ... Hemolytic #Anemia #Laboratory ... #Testing #workup
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
COVID-19 PCR and Serology ... Testing - Timeline ... • Nucleic Acid Test ... antibody #antibodies #testing ... #laboratory #Timeline
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... Vertigo #Central #Peripheral ... #Neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... with a central cause ... #PhysicalExam #Neurology ... #HeadImpulse #Testing
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... tests may be needed ... Test for celiac ... Non-invasive testing ... Gastrointestinal #Evaluation #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... plateletcount), peripheral ... smear, HIV/HCV testing ... K), H. pylori test ... (CVID, WAS), (neurologic
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
= Peripheral Cause ... reassuring for a PERIPHERAL ... cause of vertigo ... Clinical #Video #Neurology ... #Vertigo #Peripheral
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... mimics, repeat testing ... proteinuria, RBC casts ... if cause not identified ... Diagnosis #Algorithm #Workup
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
= Peripheral Cause ... reassuring for a PERIPHERAL ... cause of vertigo ... Clinical #Video #Neurology ... #Vertigo #Peripheral
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
: • Peripheral ... evaluation or workup ... 1,500 cells/µL Workup ... for secondary causes ... eosinophilia (common causes