154 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... interstitial lung disease ... comes from HRCT ... On HRCT there are
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
reticulocytes x Patient's Hct ... / Normal Hct ... Index #RI #RPI #hematology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Smoking related diseases ... bronchiolitis (RB-ILD ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
HRCT = high-resolution ... computerised tomography; ILD ... interstitial lung disease
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Inflammatory: • IBD ... disorders • Celiac disease ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Venous Thrombosis - Differential ... Lipoprotein a ↑ - IBD ... APLS:PLT ↓ HEMATOLOGIC ... Venous #Thrombosis #Differential ... Diagnosis #clots #hematology
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Hyperferritinemia Pearl: Diseases ... Still's disease ... Hyperferritinemia #Algorithm #Differential ... #Diagnosis #Hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Hb > 16.5 g/dL/HCT ... : Hb > 16 g/dL/HCT ... Cardiac/pulmonary disease ... Diagnosis #Algorithm #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... , Celiac disease ... Thrombocytosis #Platelets #Differential ... Diagnosis #Algorithm #hematology
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
as diffuse lung disease ... all diffuse lung diseases ... also uncommon HRCT-presentations ... some of them the old ... SHITFACED #Mnemonic #HRCT