47 results
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria for Acute ... explained by pleural effusions ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2 ... H2O #ARDS #Acute
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... chest) • Low PiO2 ... Elevation, Low Fio2 ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Pneumothorax - Effusion ... - Nodular - Acute ... Pulmonary Embolism - Acute ... XRay #ChestCT #Differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Framework Knee Effusion ... Reactive Syndrome - Acute ... #causes #differential
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemorrhagic Pericardial Effusions ... Hemopericardium)- Differential ... Complications of acute ... #Pericardial #Effusion ... Hemopericardium #Differential
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Causes of Dyspnea - Differential ... flare, Pleural effusion ... Tumor, Pleural effusion ... Chronic #Causes #Differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Pericardial • Effusion ... Stable Angina • Acute ... Abnormalities • Pleural Effusions ... #Dyspnea #SOB #Differential
Pericardial Clot on Echocardiogram

ST elevation of acute pericarditis was misdiagnosed as STEMI and thrombolysed with SK
ST elevation of acute ... hemorrhagic pericardial effusion ... #Pericardial #effusion ... Echocardiogram #POCUS
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Possible bilateral effusion ... the severity Acute ... submassive PE) POCUS ... #pulmonary #differential ... #signs #Lung #POCUS
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Dz, Malignant effusion ... Diagnosis #Schema #Acute ... #Chronic #Differential