56 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Diagnosis Algorithm ... Infectious: • Acute ... #Causes #Hematology
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
- Anti-HBe - Acute ... (about 10% of cases ... immunity) - False-positive ... Interpretation #diagnosis ... #laboratory #hepatology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... RA, SLE, PRV, Chronic ... Normal RBCs • Acute ... Hypothyroid • Pregnancy ... #Causes #Hematology
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
Approach to a Positive ... disorders: • Chronic ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential ... #diagnosis
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
Causes of a false ... Acute (<6 months ... #differential # ... diagnosis #syphilis ... #laboratory
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea ... - Differential ... Diagnosis Pulmonary ... : Ascites, Pregnancy ... #Chronic #Causes
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Diagnosis Secondary ... Thrombocytosis): • Acute ... #Diagnosis #Causes ... #hematology #secondary
Causes of Gallbladder Wall Thickening
Primary Wall Thickening:
1 . Acute calculous cholecystitis
2. Acute acalculous cholecystitis
3. Chronic cholecystitis
4.
Causes of Gallbladder ... Chronic cholecystitis ... Dengue fever, Pregnancy ... #differential # ... diagnosis
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
variant • fetal ... diphosphoglycerate: • pregnancy ... • chronic ... #Right #Shift #Differential ... #Causes #Diagnosis
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Diagnosis Algorithm ... Myeloproliferative Disorder • Chronic ... Polycythemia vera Acute ... #Causes #Hematology