Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Oxygen Delivery Devices ... Variable devices ... Devices delivering ... NRB) β€’ Venturi Mask ... Comparison #management #criticalcare
Oxygen Delivery Devices - Comparison
Low Flow:
 β€’ Nasal cannula (1-6L, 24-40% FiO2)
 β€’ Face mask (5-10L,
Oxygen Delivery Devices ... FiO2) β€’ Face mask ... Oxygen #Delivery #Devices ... Comparison #table #pulmonary ... #criticalcare
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 β€’ Flow 6-10 LPM
 β€’ FiO2 35-50%
Face Tent:
Devices Simple ... Mask: β€’ Flow ... Oxygen #Delivery #Devices ... #management #pulmonary ... #criticalcare
CPAP Troubleshooting Tips
1. Wrong size/style mask β†’ try a different mask, nasal pillows
2. Trouble getting used
try a different mask ... forced air β†’ use device ... Unintentionally removing device ... check air filter, device ... management #problems #pulmonary
Hypoxemia and Dyspnea - Rapid Response Management

1) Ask for vitals en route
2) Stabilize: Nasal canula 
3)
Management 1) Ask ... ) Examination: Pulmonary ... Dyspnea #Management #criticalcare ... #pulmonary #Hypoxia
Shock Classification and Differential Diagnosis
SHOCK
 β€’ MAP <65, SBP <90, drop in SBP > 40
 β€’
Insufficiency, Liver ... , CVP > 12 β€’ Pulmonary ... Diagnosis #Types #criticalcare
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Oxygen Delivery Devices ... Oxygen #Delivery #Devices ... #management #pulmonary ... #criticalcare
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
Troponin, Lactate, Liver ... in cardiogenic pulmonary ... hypoperfusion, no pulmonary ... (no B-lines on ultrasound ... Organ failure β€” device
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Insufficiency, Liver ... β€’ Obstructive: Pulmonary ... Differential #Diagnosis #criticalcare
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... lung collapse, or pulmonary ... the hypoxemia defines ... Criteria #Diagnosis #CriticalCare