53 results
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
tapered end may be long ... each of the above photos ... Dacrocytes are found ... some hemolytic anemias ... Path #BloodSmear #Blood
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
approximately how long ... the peripheral blood ... > 3: • Acute blood ... loss: Trauma, Gl ... #differential #
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Reactive: • Anemia ... /blood loss (Fe ... rheumatologic, trauma ... Thrombocytosis #Differential
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood ... In the right photo ... seen in hemolytic anemias ... is mechanical trauma ... Path #BloodSmear #Blood
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain - Differential ... • Sickle Cell Anemia ... e.g. fractured long ... Disruption • Trauma ... compressing the blood
Codocytes (Target cells) - Two target cells are seen in the left photo and one in
Two target cells are ... seen in the left photo ... present in the left photo ... with hemolytic anemias ... Path #BloodSmear #Blood
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Oxygenation - Differential ... Capacity: • Fetal anemia ... • Seizure • Trauma ... : • Maternal anemia ... Decreased Uterine Blood
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... deficiency of red blood ... Prosthetic valves Lung ... Pneumonia • Other lung ... Demand ischemia • Trauma
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Leukocytosis, anemia ... • Sputum/Blood ... Clindamycin in case ... Abscess Differential ... Abscess #pulmonary #differential
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
cell count (anemia ... • Aplastic Anemia ... Megaloblastic Anemia ... Myelophthisic Anemia ... count with differential