18 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
neuromuscular disease, ↓ chest ... Shunt: Cardiac, Vascular ... , Alveolar • V ... #Algorithm #pulmonary ... #Aa #Gradient
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Myopericarditis • Vascular ... - Tamponade Pulmonary ... Causes of Chest ... Pleuritis • Alveoli ... : - CHF - Pneumonia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... UnremarkableLab #AA ... #Gradient #alveolar ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Thickening/Masses Chest ... Alveoli • Pneumonia ... Interstitium • ILD • CHF ... #Differential #Diagnosis
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Redistribution In a normal chest ... The pulmonary vascular ... redistribution applies to chest ... practice many chest ... Redistribution #RadiologyAssistant
Previous normal chest x-ray (left) and CHF stage II with perihilar haze (right). On the left
Previous normal chest ... x-ray (left) and CHF ... diameter of the pulmonary ... #Vascular #Engorgement ... #Thickening #RadiologyAssistant
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
- Differential Diagnosis ... Pulmonary/Chest ... Pleural effusion, Pulmonary ... decompensated CHF ... #Differential #Diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Pulmonary hemorrhage ... filling of the alveoli ... #Clinical #Diagnosis ... Consolidation #Causes #RadiologyAssistant
Chest Pain Diagnosis and Management Algorithm
STEMI:
 - Hx: Pressure like CP, Radiation to arm/jaw, CAD risk
Chest Pain Diagnosis ... Limb ischemia Pulmonary ... Embolism: - Hx: Sudden ... COPD, asthma, CF ... PCP #ChestPain #Diagnosis
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
0.25), murmur of valvular ... un lymphatic Diagnostic ... Chest x-ray: signs ... Kerley B lines, alveolar ... #heartfailure #diagnosis