14 results
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
diagnostic criteria for asthma-COPD ... overlap syndrome ... COPD=chronic obstructive ... OverlapSyndrome #Asthma ... #COPD #Criteria
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Airway Disease (Asthma ... , COPD) • Vascular ... Hypoventilation Syndrome ... #Hypoxia #Differential
Causes of Chronic Cough - Differential Diagnosis Algorithm

Abnormal Chest X-Ray:
 • Chronic Infection (Eg. Fungal, Tuberculosis)
Causes of Chronic ... FVC < LLN): • Asthma ... • COPD Upper ... Upper Airway Cough Syndrome ... Lower Airway: • Asthma
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
obstruction • COPD ... , asthma, ↓ Drive ... alkalosis drive • Hypoxemia ... MD @nickmmark #acidbase
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Artery Disease • Stable ... Acute Coronary Syndrome ... Obstruction • Asthma ... • COPD • Bronchiectasis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
cough, SOB • Chronic ... 45yo, F; Hx of asthma ... Weeks) - Hx of asthma ... Hypereosinophilic Syndrome ... diagnosis #comparison #table
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
PaCO2, causing chronic ... is similar to asthma ... have an overlap syndrome ... syndrome. ... develop substantial chronic
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Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D-lactate (short bowel syndrome ... , pain, fever, hypoxia ... lung disease (COPD ... , OSA, Asthma, Obesity ... MDaniyalHashmi1 #AcidBase
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... direction leads to hypoxemia ... Causes: Pneumonia, asthma ... , COPD, pulmonary ... hepatopulmonary syndrome
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Hypoxemia or tissue ... hypoxia: High altitude ... : Obstruction, Asthma ... respiratory distress syndrome ... #respiratory #acidbase