9 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Algorithm by A-a ... neuromuscular disease, ↓ chest ... Shunt: Cardiac, Vascular ... #Algorithm #pulmonary ... #Aa #Gradient
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Infarction • Stable ... Embolism (chest ... Hypertension - Chest
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... Vascular Enlargement ... Patterns #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Left Shunt - Anatomic ... UnremarkableLab #AA ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Algorithm Pericardial ... Artery Disease • Stable ... Thickening/Masses Chest ... #Algorithm #Causes
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... event, follow ACC algorithm ... - Peripheral vascular ... change CV risk Chest ... stratification #diagnosis
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
Signs of congestion ... with presence of pulmonary ... #algorithm #management ... #cardiology #treatment ... #table #foamed
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
Increased pulmonary ... related to the pulmonary ... features on the chest ... film (Table). ... #Diagnosis #Radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
of breath and chest ... Vital signs: BP ... structural and vascular ... trauma are diagnosed ... #Radiology #CTChest