42 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... retention of exhaled gases ... • Uses either ... set to desired FiO2 ... #FiO2 #Pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... A venturi mask uses ... small valve to mix oxygen ... increases delivered oxygen ... nickmmark #Mask #Oxygen
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... type of hypoxia) PIO2 ... - atmospheric oxygen ... differential #diagnosis #causes
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... problem in adequate oxygen ... ❶ Adequate oxygen ... AND give 100% oxygen ... check measured FiO2
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
should identify any cause ... . ❶Adequate oxygen ... surgery related cause ... AND give 100% oxygen ... check measured FiO2
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
problem in adequate oxygen ... stimulus. ❷ Adequate oxygen ... check measured FiO2 ... hypercarbia as causes ... syndrome) • Medical causes
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
The probable cause ... and treat the cause ... ). ❷ Adequate oxygen ... flow, give 100% oxygen ... check measured FiO2
Pneumoperitoneum from perforated duodenal ulcer on RUQ POCUS

Male with severe RUQ abdominal pain. Answer in thread.
duodenal ulcer on RUQ POCUS ... with severe RUQ abdominal ... as shown in the case ... duodenal #ulcer #RUQ #POCUS ... clinical #ultrasound #Abdominal
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... / hypoxemia -> focus ... • Increased Oxygen ... • Decreased Oxygen ... Reduced Arterial Oxygen
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... B. ❷ Adequate oxygen ... check measured FiO2 ... Consider known drug causes ... Guidelines for crises