12 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Intrinsic RBC Defects ... #differential # ... diagnosis #hematology ... #anemia
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - Hemolytic anemia ... vasculitis - GPA ... Vasculopathy #Purpura #Differential ... #rheumatology #
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... very remarkable w/differential ... systemic complaints- anemia ... them, but urgent rheumatology ... #Temporal #Signs
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
sensitive and to detect ... #electrocardiogram ... #diagnosis #ekg ... #differential # ... cardiology
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... • Malignancy (e.g ... OTHER RARE CAUSES ... amyloidosis • Uremia ... • MCTD, Lupus, GPA
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... purpura: Strong sign ... tract, and often causes ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vasculitis) - Affects ... tract, and often causes ... and branches • GCA ... purpura: strong sign ... #diagnosis #rheumatology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Septic Emboli Cause ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia ... diagnosis #management #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... STE: "Pardee's sign ... (Eiffel Tower sign ... #ecg #ekg #electrocardiogram
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia ... #Endocarditis #Differential ... #Diagnosis #cardiology