11 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... protein levels >100 mg ... factor • May cause ... #Infections #HIV
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... - Dynamic air ... - Deep Vein Thrombosis ... #Lung #POCUS #ultrasound
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Lung POCUS Young ... POCUS lung exam ... interstitial diffuse infections ... Lung POCUS shows ... partially seen shred sign
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... : Aspiration pneumonia ... lat decubitus - air ... fluid level seen
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... : Pneumonia • Autoimmune ... Low serum IgG level ... than 100 to 300 mg ... DDX - Other causes
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Disorders: • Infection ... tuberculosis, fungal infections ... Adrenals: • Lung ... from RTA type IV ... • Low-grade fever
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Vascular Causes ... , Thrombosis, Emboli ... Injury: • Infectious ... CA, small cell lung
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Herpesviruses (MCC: HSV ... Streptococcus pneumoniae ... Acute meningeal signs ... (< 50%) • S. pneumoniae
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... Infections: - ... HIV, CMV, HTLV ... Spinal artery thrombosis ... differential #algorithm
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... papules and Gottron sign ... ) • Shawl sign ... of aspiration pneumonia ... statins - probably caused