Oxygen Extraction Ratio
Oxygen extraction ratio (O2ER) is the ratio of oxygen consumption (VO2) to oxygen delivery (DO2)
High Altitude illness
High altitude illness includes: acute mountain sickness; high altitude cerebral edema (HACE); high altitude pulmonary edema (HAPE); high altitude retinal haemorrhages
Interpretative biases
Facts do not accumulate on the blank slates of researchers' minds and data simply do not speak for themselves
Funtabulously Frivolous Friday Five 103
Funtabulously Frivolous Friday Five 103 - Just when you thought your brain could unwind on a Friday, some medical trivia FFFF.
Chilaiditi syndrome
Chilaiditi syndrome: symptomatic hepatodiaphragmatic interposition associated with abdominal pain, nocturnal vomiting, anorexia, and abdominal distension.
Demetrius Chilaiditi
Demetrius Chilaiditi (1883 – 1975) was an Austrian born, Ottoman Radiologist of Greek descent. Eponymously affiliated with Chilaiditi sign and syndrome described in 1910
Alfred Vulpian
Edmé Félix Alfred Vulpian (1826-1887) was a French neurologist.
Ultrasound Case 063
An 18 year old man returns from a back packing trip. He has developed generalized abdominal pain, fever and vomited a couple of times. The junior doctor is concerned he has appendicitis and asks you to perform an ultrasound.
Dogma and Pseudoaxioms
Dogma is a belief generally held to be true by a group, organisation or professional body that is put forth as authoritative without adequate grounds. Axioms are universally accepted principles or rules. Pseudoaxioms, like pseudoscience, are "false principles or rules often handed down from generation to generation of medical providers and accepted without serious challenge or investigation"
Small bowel obstruction DDx
Key radiological features of small bowel obstruction are dilated bowel loops that are central, contain valvulae conniventes, and are pliable (“bent finger”).
Sepsis Definitions and Diagnosis
The original definitions of sepsis and related conditions (SIRS, severe sepsis and septic shock) are now more than 20 years old (Sepsis- 1 originated from the ACCP/SCCM consensus meeting in 1991 and Sepsis 2 from 2001)
Progressive Pneumonia
Nonresolving or Progressive Pneumonia: failure to normalize the clinical features (eg, fever, cough, sputum production), or nonresolving image in chest radiograph