12 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
and laboratory diagnosis ... , not a morphologic ... count, D-dimer, egg ... #Hematology #Pathology ... #Smear #Microscopy
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... • Hypertonic saline ... Polyuria scheme) e.g ... #Nephrology #Differential ... #Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... Diagnosis is primarily ... , Dehydration: neurologic ... hyper/isotonic saline ... patient weight (eg
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
dialysis indication (e.g ... AEIOU ) or anuria ... Nephrotoxic drugs (e.g ... you confirmed diagnosis ... Assess UA w/ microscopy
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... Acellular Casts • Hyaline ... colored compounds (e.g ... #nephrology #interpretation ... #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... changes), high MCV anemia ... #Differential #Diagnosis
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... systemic complaints- anemia ... them, but urgent rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... the presence of anemia ... inflammatory disease (e.g ... Chemistry profile (e.g
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
underlying disease (eg ... • Infection (eg ... with leukopenia, anemia ... 10,000 ng/mL • Hyponatremia ... #Rheumatology