ECG - right strain pattern
CXR - Progresses from interstitial → localized-alveolar → generalized-alveolar infiltrates
ABG - Hypoxemia with respiratory alkalosis
The Lake Louise Consensus Definition of<unk> 
At least two of the following symptoms:
Dyspnea at rest
Cough
Weakness or decreased exercise performance
Chest tightness or congestion
As well as two of the following signs:
Crackles or wheezing in at least one lung field
Central cyanosis
Tachypnea
Tachycardia
At least two of the following symptoms:
Dyspnea at rest
Cough
Weakness or decreased exercise performance
Chest tightness or congestion
As well as two of the following signs:
Crackles or wheezing in at least one lung field
Central cyanosis
Tachypnea
Tachycardia
Dyspnea at rest
Cough
Weakness or decreased exercise performance
Chest tightness or congestion
Crackles or wheezing in at least one lung field
Central cyanosis
Tachypnea
Tachycardia

Clinical Severity Grading
High altitude pulmonary edema
Asthma
High altitude cerebral edema
Bronchitis
High altitude peripheral edema
CHF
Acute mountain sickness
COPD