72 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... week of a known clinical ... be present on a chest ... severity of the ARDS ... >= 5cm H2O #ARDS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome – ARDS ... : Clinical Cheat ... on CT or CXR ● PaO2 ... sepsis-associated ARDS ... days after dx of ARDS
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... histiocytosis: early nodular ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Lutzomyia verrucarum Clinical ... chills, anorexia, ARDS ... toxo reactivation Clinical ... : ​• Miliar → Nodular ... → Mular DIAGNOSIS
Plasmacytomas and Plasma-Cell Leukemia - Physical examination revealed multiple exophytic subcutaneous lesions involving the arms and
involving the arms ... right arm) and chest ... Wright–Giemsa stain) #Clinical
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern
Moro Reflex on Newborn Physical Exam

The Moro reflex is obtained by holding the baby’s head and
the mat with the arms ... flexion on the chest ... releasing the arms ... The arms should ... Peds #Pediatrics #Clinical
Our patient was exposed to burning sumac smoke while clearing out her yard .  Toxicodendron
lungs causing ARDS ... #Clinical #EM #Tox ... #Radiology #CTChest
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... histiocytosis: early nodular ... #Clinical #Diagnosis ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern