16 results
Lung Ultrasound for Diagnosing Pneumonia - Scan through 6 zones (3 per side) 1. Midclavicular line
Ultrasound for Diagnosing ... the diaphragm #Diagnosis ... #Peds #EM #PICU
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
(COVID19, CMV/EBV ... Illness Myopathy (ICU ... #Elevated #CK #differential ... #diagnosis #rhabdomyolysis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... Diagnosis Algorithm ... Glomerular Proteinuria (Positive ... proliferative • Anti-GBM ... #Differential #
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... Infections+++: Virus (EBV ... biologics (CMV +++, EBV ... of emergency, ICU ... treatment #summary #rheumatology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
CD4 Lymphopenia (ICL ... Lymphocytopenia DIAGNOSTIC ... EBV. CMV. ... #diagnosis #hematology ... #Differential #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... Diagnosis for Pulmonary ... : - ANCA-positive ... anti-ANCA ab, anti-GBM ... #diagnosis #nephrology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... (CVID, WAS), (neurologic ... When do you do a BM ... #Diagnosis #Causes
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) in hematologic ... in HM • False positives ... BAL GM does not differentiate ... - Frozen ice-pops ... Galactomannan #diagnosis
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Viruses (HSV, EBV ... Miller-Fisher GBS; Positive ... Rhombencephalitis #Differential ... #Diagnosis #Causes ... #Neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... virus • CMV • EBV ... • Gram stain: Positive ... 90% • Culture: Positive ... #diagnosis #neurology