9 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Atrial Tachycardia (MAT ... • Secondary to chronic ... lung disease (COPD ... ) • Hypoxia ... • Pulmonary hypertension
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... between attacks COPD ... Subxiphoid PMI • COPD ... #COPD #comparison ... #Diagnosis #pulmonary
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
In COPD, decreases ... edema) • COPD ... patients (ie., CHF or COPD ... failure (ie.. asthma ... #indications #criticalcare
Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, specifically a type of supraventricular
atrial tachycardia (MAT ... exacerbations of chronic ... obstructive pulmonary ... disease (COPD). ... MedStudent #EKG #MAT
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
disease Group III - Chronic ... disease causing hypoxemia ... • COPD, ILD, ... • Sarcoidosis, chronic ... mediastinal tumors, chronic
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
PATM 760 mm Hg at ... direction leads to hypoxemia ... Causes: Pneumonia, asthma ... , COPD, pulmonary ... Respiratory #Failure #hypoxia
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
, pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia ... lung disease (COPD ... , OSA, Asthma, Obesity
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
consider infarction, hypoxia ... Causes include asthma ... , chronic bronchitis ... , and COPD. ... Breathing #Patterns #Pulmonary
Severe Influenza Checklist

Diagnostic tests 
 - Blood cultures x2 
 - Sputum gram stain & culture
COPD/asthma or adrenal ... - May consider ... IV ql 2hr - May ... lab-confirmed influenza, pulmonary ... Checklist #Management #CriticalCare