46 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... Diagnosis Algorithm Signs ... • Extrinsic RBC ... • Intrinsic RBC ... #Differential #
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... subdural hematoma, anoxia ... , anemia, febrile ... #signs #symptoms ... #clues #differential
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Normal RBCs • Acute ... Spherocytes, RBC ... #Differential #
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... • Meningeal signs ... Systemic symptoms and signs ... arteritis • Acute ... #Differential #
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... - Differential ... Blood Loss • Acute ... • Anemia of Chronic ... Classification #Approach #Differential
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
== Decreased RBC ... Hypertriglyceridemia • Uremia ... turnover • Acute ... • Hemolytic anemia ... Diagnosis #DM2 #Differential
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Photophobia and Headache ... - Differential ... meningeal irritation signs ... : - Acute angle-closure ... #differential #
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... Iron-deficiency anemia ... Malignant tumors, Acute ... coagulopathy (DIC) #RBC ... key #diagnosis #differential
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Index < 2: • Anemia ... Index > 3: • Acute ... , Intrinsic RBC ... #differential #
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Artifact (redo CBC ... Infectious: • Acute ... Iron deficiency anemia ... Thrombocytosis #Differential