10 results
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... hypertension • Unusual RBC ... inclusions - If infection ... Diagnosis #Algorithm #workup ... #hematology #testing
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung abscess ... Lung Abscess - Clinical ... , anemia • Sputum
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
- M. abscessus ... chelonae • M abscessus ... haemophilum • Tropical setting ... Bone Marrow - Anemia ... differential #diagnosis #infectiousdiseases
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... smear, HIV/HCV testing ... PT, aPTT(liver disease ... changes), high MCV anemia
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... verrucous) • Lung ... Hypercoagulable (APLAS ... Leukocytosis, anemia
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Infectious: • Pre-existing ... , verrucous) - Lung ... Hypercoagulable (APLAS ... Leukocytosis, anemia ... Diagnosis #cardiology #infectiousdiseases
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Assess functional ... Skin exam for infection ... Intraabdominal - Orthopedic ... unless prior heart/lung ... surgery Stress Testing
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
No hemolytic anemia ... Investigations: • CBC ... polymerase-chain-reaction (PCR) testing ... and possibly PCR testing ... Differential #Diagnosis #InfectiousDiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Urinary antigen testing ... Sinusitis • Brain abscess ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... Include: • Viral infections ... autoimmune hepatitis, PBC ... ovarian tumors, lung ... Thalassemia, Sickle cell anemia