372 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Algorithm Relative - Normal ... Positive - Low/Normal ... Saturation 90%, Abnormal ... carboxyhemoglobin, Abnormal ... Heart Disease Abnormal
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
of Anemia with Normal ... PRV, Chronic) Normal ... Polychromatic Macrocytes, Normal ... Anemias (MAHA) - Abnormal ... Hemoglobinopathy - Normal
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Pediatric Cough - Differential ... Infection - Abnormal ... • Tumor Normal ... • Asthma - Abnormal ... Congenital Anomaly - Normal
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
an inhibitor of normal ... to have 50% of normal ... the test to be normal ... Plasma → Recheck abnormal ... diagnosis #hematology #pathophysiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Framework NCPE Pathophysiology ... cardiac disease • Normal ... • Heart size: Normal ... ECHO: • Normal ... chamber size • Normal
Isolated Hyperbilirubinemia - Differential Diagnosis Algorithm
Direct Hyperbilirubinemia: Dubin-Johnson Syndrome, Rotor Syndrome
Indirect Hyperbilirubinemia: 
 - Trauma, Hematoma,
Hyperbilirubinemia - Differential ... Reticulocyte Count Normal ... Reticulocyte Count Abnormal ... Hyperbilirubinemia #Isolated #Differential
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Bandemia Overview Normal ... • Abnormal temperature ... bacteremia • Abnormal ... temperature and 21% had normal ... CBC #hematology #pathophysiology
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... Findings: Variably abnormal ... Spirometry often normal ... or near normal ... : Persistently abnormal
Pathogenesis of Anxiety Disorders

Anxiety Disorders: A maladaptive emotional state causing fear,
worry, and excessive stress, characterized by:
foreboding or apprehension ... Imbalance and/or abnormal ... Anxiety #Disorders #Pathophysiology
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Hearing Loss - Differential ... Diagnosis Algorithm Normal ... Tube Dysfunction Abnormal ... #HearingLoss #Differential