1283 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
vital capacity (FVC ... #Diagnosis #Pulmonary ... #Spirometry #FVC
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
obstruction: • FEV1 / FVC ... lower • FEV1 / FVC ... Increase of FEV1 or FVC ... greater in FEV or FVC ... Asthma #diagnosis #pulmonary
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
volume in 1 s; FVC ... #Diagnosis #Pulmonary
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Pulmonary Function ... available 2) FEV1/FVC ... 3) FVC < LLN? ... Severity, #Pulmonary
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
chronic obstructive pulmonary ... volume in 1 s; FVC
Management of interstitial lung disease (ILD)-associated with systemic sclerosis (SSc)

Therapeutic indication: absolute decline in FVC >10%
absolute decline in FVC ... systemicsclerosis #SSc #pulmonary
Chronic Obstructive Pulmonary Disease (COPD)
 • COPD Definition
 • Role of PFTs
 • COPD Classification and
Chronic Obstructive Pulmonary ... post-bronchodilator FEV1/FVC ... #Obstructive #Pulmonary
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
spirometry - FEV1/FVC ... spirometry - FEV1/FVC ... comparison #Diagnosis #pulmonary
Perform computations online at:
ScyMed.com
6th ED
ICU-card
«ICU, Formulas & Drugs»
HEMODYNAMIC PATTERNS
Condition
SAP
CVP

PAP PCWP

CO C(a-v)02 PVR

SVR
Hypovolemic shock
↓
↓
↓
↓
↓
↑
↑
↑
Cardiogenic shock
↓
1
↑
1

1
↑

Septic shock
↓
↓
↓
↓
↑
↓
↓
↓
Cardiac Tamponade
.
↑
↑
1
↓

→
↑
RV
→ ↓ → →↑ Pulmonary ... +2PDP)/3 Mean Pulmonary ... = 1.36 cmH20 PULMONARY ... (physiologic) FVC ... >3.0 L FEV1/FVC
Chronic SVC Stenosis with Caudal Blood Flow of Dilated Abdominal Veins

60 y/o hx of seizures &
Chronic SVC Stenosis ... collaterals - SVC ... & IVC obstructions ... - IVC obstruction ... caudad (towards IVC