Post block test Flashcards
Ph is what type of scale?
Log
Base excess is a measure of what/
Metabolic acidosis or alklosis
What is base excess?
A measure of how much base has to be removed or added to the system to correct the pH.
If the base excess is very low?
Suggests a metabolic acidosis.
What is the minimally accepted urine output?
0.5ml/kg.hr.
What is a normal daily potassium requirement?
1mmol/kg
What is a normal daily sodium requirement ?
2mmol.kg
Normal water requirement per day?
25-30ml/kg
What dose of naloxone in a post surgical patient with low RR?
40micrograms increments titrated until effect seen.
How long should you withhold warfarin for before surgery?
5 days.
Management of pulseless electrical activity?
Give aderenaline 1mg IV.
What cannula gives the most rapid rate of infusion?
14G orange cannula
Where do you insert the needle for pleural decompression?
2nd intercostal space, mid clavicular line.
What dose of adrenaline during cardia arresrt?
1mg IV.
What dose of adrenaline during anaphylaxis?
0.5mg IM.
ABG of a patient in sudden cardiac arrest that had no bystander CPR will most likely show what?
Mixed resp and metabolic acidosis .
Metformin may predispose to what acid base problem?
Lactic acidosis.
When should clopidogrel be stopped before surgery ?
7 days.
How does lignocaine work?
Blocks sodium channels,.
Salbutamol overdose?
Tachycardia, tremor and anxiety.
How does rinitdadine work?
Antagonises H2 receptors .
Morphine casualness histamine release, may induce N&V, and delayed resp depression may occur in patients who have had an epidural or spinal.
…
Most important life saving treatment in anaphylaxis?
0.5mg IM adrenaline.
Epidural and extramural means the same therefore…
The epidural space is outside of the dura mater.
The epidural space contains what?
Adipose tissue, venous plexus, Spinal nerve roots.
Cardiac output and blood are reduced after opioid blockade because of what?
Sympathetic blockade.
Itch is a recognised complication of which drug used in the epidural space/
Opioids.
Does resp depression occur with epidural?
No it actually helps to maintain respiration’s.
