142 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Algorithm Relative - Normal ... Positive - Low/Normal ... Saturation 90%, Abnormal ... carboxyhemoglobin, Abnormal ... Heart Disease Abnormal
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... Findings: Variably abnormal ... Spirometry often normal ... or near normal ... : Persistently abnormal
Normal Hemodynamic Cardiac Parameters

Central Venous Pressure 

Pulmonary Artery Wedge Pressure 

Cardiac Index 

Stroke Index 

Systemic Vascular
Normal Hemodynamic ... Venous Pressure Pulmonary ... Resistance Index Pulmonary ... Parameters #Pressures #Normal
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... comparison, a normal ... Patterns #Comparison #Normal ... #pulmonary
Normal horizontal repetitive artifacts (A Lines) 

 - Dustin Morrow MD @SonoSerious

#ALines #Artifact #Pulmonary #Lung #Ultrasound
Normal horizontal ... ALines #Artifact #Pulmonary ... POCUS #Clinical #Normal
POCUS Findings in Acute Pulmonary Embolism
- McConnell's Sign
- TAPSE
- D-Shaped Septum
- Abnormal RV:LV Ratio

#Pulmonary #Embolism #AcutePE
Findings in Acute Pulmonary ... D-Shaped Septum - Abnormal ... RV:LV Ratio #Pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... cardiac disease • Normal ... • Heart size: Normal ... ECHO: • Normal ... chamber size • Normal
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Algorithm • Normal ... • Pulmonary Hypertension ... Emphysematous COPD #Pulmonary
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
curves comparing normal ... #Diagnosis #Pulmonary ... #Restrictive #Normal
Right Heart Catheterization Waveforms and Pressures
Right Atrial Pressure:
 • Mean: 1-5 mm Hg
Right Ventricular Pressure:
 •
Diastolic: 1-7 mm Hg Pulmonary-Artery ... Mean: 9-19 mm Hg Pulmonary-Capillary ... Wedge Pressure • Normal ... Waveforms #Pressures #normal