23 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Normal A-a Gradient ... (↑Shunting), ↓Perfusion ... Dead space) • ↓Diffusion ... Hypoxemia #Hypoxia #Differential
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... bites • IVIG infusion ... Rhogam • S/p IV infusion ... Hemolytic #Anemia #Differential ... Diagnosis #causes #classification
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Shock Classification ... massive pericardial effusion ... Tamponade: pericardial effusion ... external fluid loss leading ... criticalcare #diagnosis #classification
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
(HPS) HPS-differential ... Alveolar-arterial oxygen gradient ... HPS-severity classification
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Approach to the A-a Gradient ... A-a gradient = ... A-a Gradient ≤ ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders - Differential ... Low Grade - Slow growing ... Intermediate - Faster growing ... Lymphoproliferative #Disorders #Classification ... Diagnosis #NonHodgkin #differential
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
Causes and SUN Classification ... inhabitants 3rd leading ... Bartonella SUN Classification ... #Causes #SUN #Classification ... #Differential #
ABCs of Lung Ultrasound - A-Lines, B-Lines, Consolidation
A-Profile - Air filled lung does not transmit sound
transmit sound waves, leading ... will be seen IM POCUS ... Focus @IMPOCUSFocus ... Profiles #Ultrasound #POCUS ... #Differential #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Possible small plural effusion ... Possible bilateral effusion ... submassive PE) POCUS ... #pulmonary #differential ... #signs #Lung #POCUS
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
Shock Types - Classification ... diminished tissue perfusion ... Hemorrhagic → leading ... water #Shock #Classification ... #criticalcare #differential