16 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
adjusted gradient ... A-a Gradient ≤ Age-Adjusted ... A-a Gradient > Age-Adjusted ... Gradient #alveolar #arterial ... Hypoxia #hypoxemia #differential
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
adjusted d-dimer ... 88 = age adjusted ... Ddimer #dimer #pathophysiology ... #hematology #differential ... #adjusted
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Thrombosis vs Arterial ... Thrombosis - Differential ... Fat Emboli ARTERIAL ... #pathophysiology ... #hematology #differential
Age-Focused Initial Evaluation for Pyoderma Gangrenosum 

All Patients: 
 - A thorough history and physical examination
Age-Focused Initial ... tissue culture (bacterial ... ) - CBC with differential ... - Age-appropriate ... #Dermatology #Diagnosis
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... Stroke Volume / Arterial ... : • Advanced age-arteriosclerosis ... less compliant arteries ... #Diagnosis #Pathophysiology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... 1) If lesions are ... manifestations are ... #Diagnosis #Dermatology ... Palpable #Algorithm #Differential
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders - Differential ... - Bimodal Age ... Classification #pathophysiology ... #Hematology #Diagnosis ... #NonHodgkin #differential
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Framework What are ... sterile and are ... Skin #Lesions #Differential ... #Diagnosis #Dermatology
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
infectious process (bacterial ... Vesiculobullous lesions are ... #Diagnosis #Dermatology ... Bullous #Algorithm #Differential
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
European descent • Age ... 65 years PBC Pathophysiology ... Symptoms: • 50-60% are ... bile ducts Differential ... Hepatic amyloidosis, Bacterial