41 results
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
an identifiable cause ... The cause is unknown ... associated with viral infections ...     - Epstein-Barr ... neurology #anatomy #pathophysiology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency Infections ... Cytomegalovirus • Epstein-Barr ... virus • Parvovirus ... #Diagnosis #Hematology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Antineoplastic Viral Infection ... • Epstein-Barr ... Virus • Cytomegalovirus ... #Hematology
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Infectious Causes ... primary adrenal infection ... Cytomegalovirus, Epstein-Barr ... #Causes #Adrenal ... Insufficiency #AI #differential
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
MIAMI Mnemonic for Differential ... skin neoplasms Infections ... (Epstein-Barr virus ... sarcoidosis Iatrogenic causes ... MIAMI #Mnemonic #Differential
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... 55 percent) - Infections ... 1 percent) Infections ... , Epstein-Barr virus ... #Differential #
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Pathophysiology ... response preceding infection ... COVID 19 - Zika virus ... Treatment: • Plasmapheresis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... to a preceding infection ... the underlying pathophysiology ... and cauda equina TREATMENT
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Causes of Myocarditis ... Infectious Etiologies ... herpesvirus 6, Epstein—Barr ... disease) Non-Infectious ... #Myocarditis #differential
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... +++: Virus (EBV, ... Drugs, Unknown cause ... Treatment: • ... #summary #rheumatology