10 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
therapy - Number one cause ... of culture negative ... Eg: C. burnetii ... #Diagnosis #Management ... #Algorithm
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Differential Diagnosis Algorithm ... delivery) • Uterine rupture ... #Causes #Obstetrics ... #OBGyn
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Causes of Growth ... co-morbidities (e.g ... hemorrhage • Uterine rupture ... Genetic disorder (e.g ... #OBGyn
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
<35 years old, e.g ... Hypothalamic - Negative ... • Functional (e.g ... Stalk Damage (e.g ... #Causes #OBGyn
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Coagulase-negative ... Septic Emboli Cause ... ↑ ESR, CRP • EKG ... Treat underlying cause ... #diagnosis #management
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... but important causes ... special stains (e.g ... #Infective #Endocarditis
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... Algorithm Drugs ... • Prevents future ... 1b (lidocaine)- case ... #Algorithm
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
aureus, Coagulase-negative ... Negative: • Bartonella ... Septic emboli cause ... ↑ ESR, CRP • EKG ... Treat underlying cause
The algorithm below shows how pre-test probability could be combined with various criteria to determine which
probability) and negative ... (~0.5%) and a negative ... probably much higher (e.g ... HSV PCR would cause ... is proposed: #Management
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
ECG is vital while ... have achieved negative ... the determined cause ... #differential #algorithm ... #management #cardiology