187 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Negative urine dip ... Positive urine dip ... sediment - WBC/RBC casts ... Diagnosis #Algorithm #Causes
Homemade Incentive Spirometer
Materials:
 - Water Bottle
 - Ziplock bag 
 - Tape
 - Water

by Dr. Rivero
Homemade Incentive Spirometer ... Soto #Incentive #Spirometer ... #DIY #homemade
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Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... artery aneurysm: Causes ... intravascular coagulation (DIC ... MAHA: TTP, HUS, DIC
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... range (< 3.5 g/day ... but in severe cases ... proteinuria (> 3.5 g/day
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... Intravascular Causes ... MAHA: TTP, HUS, DIC ... Differential #Diagnosis #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... Quantity: • Primary Causes ... • Secondary Causes ... marrow disease - DIC ... Purpura Fulminans (DIC
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... • TTP/HUS • DIC ... Diagnosis #Algorithm #Causes
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation (DIC ... Manifestations of DIC ... MAHA: TTP/HUS > DIC ... Treat primary cause ... Coagulation #diagnosis #causes