153 results
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 ... #Diagnosis #causes
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
each of the above photos ... Dacrocytes are found ... metaplasia, pernicious anemia ... some hemolytic anemias ... Path #BloodSmear #Blood
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 ... Disruption • Trauma ... compressing the blood ... #Orthopedics #Causes
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... - Differential ... • Peripheral blood ... #Differential # ... Diagnosis #Algorithm #causes
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
the peripheral blood ... including chronic blood ... > 3: • Acute blood ... loss: Trauma, Gl ... #differential #
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
• stored red blood ... • chronic anæmia ... - Sickle cell anemia ... #Right #Shift #Differential ... #Causes #Diagnosis
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... Pressure - Differential ... iron deficiency anemia ... (reduced blood ... #Diagnosis #causes
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Oxygenation - Differential ... • Seizure • Trauma ... : • Maternal anemia ... Decreased Uterine Blood ... Diagnosis #Algorithm #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Post-op surgery • Trauma ... Iron deficiency anemia ... Thrombocytosis #Differential