22 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
and Secondary Causes ... , Infective endocarditis ... , Infective endocarditis ... annulus valve: ... Regurgitation #differential
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
inflammation or infection ... petechiae/purpura with fever ... gonococcal disease, endocarditis ... petechiae/purpura with fever ... #Diagnosis #Dermatology
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Viral Hemorrhagic ... limited predictive value ... the most likely infection ... help hone your differential ... Dissociation #diagnosis #differential
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Origin (FUO) - Differential ... • Infectious endocarditis ... #FUO #Chronic #Differential ... Diagnosis #Algorithm #causes
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Causes of Severe ... Endocarditis, Acute ... Prosthetic Valve ... : Infective Endocarditis ... , Rheumatic Fever
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Pyogenic/focal infection ... arthritis • Infective ... Non-Infectious Causes ... #Patterns #Differential
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Origin (FUO) - Differential ... Diagnosis • Infection ... tuberculosis, Abscess, Endocarditis ... Malignancy: - Hematologic
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... infiltration: malignancy, infection ... - Mechanical: valve ... replacement, endocarditis ... Diagnosis #Framework #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... CTD (SLE) - Viral ... mountain spotted fever ... • Bacterial endocarditis ... palpable #nonpalpable
Causes of mitral stenosis
Rheumatic heart disease
 - Most common cause worldwide. Commissural fusion, thick MV leaflets
Causes of mitral ... Whipple's disease Infective ... endocarditis (vegetations ... atrial myxoma)/ball valve ... #diagnosis #differential