22 results
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Diffusion: ILD, pHTN ... Pressure Vent, pHTN ... #hypoxia #Differential ... #Diagnosis #causes
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Shunt: Cardiac, Vascular ... #Hypoxia #Differential ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Asthma, COPD) • Vascular ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Diastolic • Valvular ... Disease and/or Hypoxemia ... PulmonaryHypertension #PHTN
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome, Muscular ... Intracardiac, Pulmonary ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
hemochromatosis) Valvular ... Tamponade, pulmonary ... HTN, systemic HTN ... Cardiogenic #Shock #Differential ... #Diagnosis #Cardiology
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
Pulmonary Hypertension ... Classification Group I - Vascular ... disease causing hypoxemia ... #Hypertension #PHTN ... Classification #diagnosis
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Diagnosis Framework ... • Obstructive: Pulmonary ... Tamponade, Severe pHTN ... compartment syndrome, Vascular
Non-ACS Myocardial Injury - Elevated Troponin Differential Diagnosis and Workup Algorithm

 • Chronic Myocardial Injury: End
Elevated Troponin Differential ... Diagnosis and Workup ... Pre-Coronarv): Shock, Hypoxemia ... Volume Overload/HTN ... • Focal, Non-Vascular
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
waves caused by pulmonary ... the underlying diagnosis ... AWaves #Giant #PHTN ... #JVP #Neck #PhysicalExam ... #Clinical #Video