25 results
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Causes of Severe ... - Differential ... Endocarditis, Acute Prosthetic ... #Differential # ... Diagnosis #Causes
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
and Secondary Causes ... Rheumatic fever, Infective ... Ehlers Danlos) • Prosthetic ... #differential # ... diagnosis #cardiology #causes
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... and sources of infection ... • Native and prosthetic ... Endocarditis #Sources #Causes ... Bacteria #Etiology #Differential
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... Culture-negative Prosthetic ... Diphtheroids Prosthetic ... #Noninfective #Causes ... #Differential #
Relative Risk of Various Predisoosing Conditions for Infective Endocarditis 
High Risk:
 - Prosthetic valves 
 -
Conditions for Infective ... High Risk: - Prosthetic ... disease - Mitral regurgitation ... - Previous infective ... Cardiology #Diagnosis #Differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Vasculitis • Infection ... Prosthetic Heart ... Diagnosis #Algorithm #Causes
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... suggests calculi/infection ... RBC’s, RBC/WBC casts ... (bladder neck, prostatic ... #Macroscopic #Differential
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Pulse Pressure - Differential ... Physiologic Causes ... Pathologic Causes ... Heart Failure • Infective ... Pathophysiology #causes
Increased Urinary Frequency - Differential Diagnosis Algorithm
Non-increased urine volume (<2mL/min), Rule out polyuria
Extrinsic to Urinary Tract:
Urinary Frequency - Differential ... Urinary Tract Infection ... Obstruction: • Benign prostatic ... Urinary #Frequency #Differential ... Diagnosis #Algorithm #Causes
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Functional Mitral Regurgitation ... primary mitral regurgitation ... mitral stenosis - Infective ... mitral regurgitation ... #Functional #Differential