25 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 ... Unconjugated bilirubin LDH ... Anemia #Laboratory #Testing ... #workup #diagnosis
COVID-19 Biomarkers 
 - Troponin
 - D-dimer
 - Lymphocyte Count
 - IL-6
 - LDH
 - Fibrinogen
Count - IL-6 - LDH ... Diagnosis #Laboratory #Testing ... #Workup
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Inappropriate ADH ... Cerebral salt wasting ... insufficiency ADH ... Differential #Diagnosis #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Ineffective (UNa >30) • ADH ... Cerebral Salt Wasting ... • ADH Not Present ... intake, UNa <20) • ADH ... differential #diagnosis #table
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Syncope #diagnosis #workup ... #testing #Cost ... Effectiveness #table
Intraoperative Massive Blood Loss - Guidelines for Crises in Anaesthesia
Expected or unexpected major haemorrhage

❶ Call for
point of care testing ... • Use lab testing ... Intraoperative #Checklist ... Diagnosis #Management #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Low #Magnesium #Table ... Classification #Causes #Workup
First Generation Anti-Psychotics: Mechanisms and Side Effects
Typical/Conventional Anti-Psychotics - Examples: Haloperidol, Chlorpromazine

ACh M1 antagonist - Block
Chlorpromazine ACh ... Block action of ACh ... arterioles -> less able ... postural instability, resting
CDiff (Clostridium difficile) Testing Compared
Toxin EIA assay, GDH assay, NAAT/PCR 

- Dr. Milana Bogorodskaya https://twitter.com/foamid

#CDifficile #Clostridium
Clostridium difficile) Testing ... Toxin EIA assay, GDH ... Clostridium #CDiff #Testing ... #Comparison #Table ... #PCR #EIA #GDH
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... LDH - Assess for ... #glomerular #testing ... #workup #diagnosis