95 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... syndromes Clinical ... ALT ↑ bilirubin level ... Treatment: • Corticosteroids ... #Rheumatology
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
production • Treatment ... rapidly fatal • Causes ... Neuroleptic malignant syndrome ... ; Serotonin syndrome ... • Treatment:
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... deficiency • Liver ... Gardner-Diamond syndrome ... mountain spotted fever ... #rheumatology #
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
TTP/HUS, HELLP Syndrome ... and Acute Fatty Liver ... Pregnancy (AFLP) Three syndromes ... child * Severe cases ... AFLP #obstetrics #hematology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Non-Infectious: • Rheumatologic ... Mediterranean Fever ... Disease, Behcet Syndrome ... Differential #Diagnosis #Causes
Causes of Gallbladder Wall Thickening - Differential Diagnosis
 • Physiologic: Contracted gall bladder in a non-fasting
Causes of Gallbladder ... heart failure, Liver ... cirrhosis, Nephrotic syndrome ... Diagnosis #radiology #POCUS ... #ultrasound
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... old, ~10,000 new cases ... only curative treatment ... Myelodysplastic #Syndrome ... #hematology #oncology
Pneumoperitoneum from perforated duodenal ulcer on RUQ POCUS

Male with severe RUQ abdominal pain. Answer in thread.
duodenal ulcer on RUQ POCUS ... anterior to the liver ... of Chilaiditi syndrome ... duodenal #ulcer #RUQ #POCUS ... #clinical #ultrasound
Mirizzi Syndrome on RUQ POCUS

Adult male-RUQ abd pain.VSS/Afeb. WBC-16.8K. Obstructive pattern on hepatic panel with normal
Mirizzi Syndrome ... on RUQ POCUS ... with RUQ pain, fever ... #Liver #POCUS # ... Ultrasound #Gallstone
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Myelodysplastic Syndromes ... Tests • Liver ... Diagnosis #Algorithm #Causes ... #Hematology