13 dysarrythmias Flashcards
1
Q
5 first questions to ask
A
- wide or narrow
- fast or slow
- regular or irreg?
- p waves?
- are p waves conducted?
2
Q
what is wide QRS
A
> 120ms
- means BBB or ventricular dysarrythmia
- consider VT until proven otherwise
3
Q
what is rule of 300
A
divide 300 by number of large boxes between 2 R waves
- otherwise look at 6 second block and multiply by 10
4
Q
what are most irregular rhythms
A
A fib
- look for P waves - none in afib
5
Q
what makes a dysarrythmia unstable
A
- hypotension
- CHF
- chest pain
- altered LOC
6
Q
3 degrees of urgency in treatment response
A
- emergent - drop everything
- urgent - see within several minutes
- deferrable
7
Q
5 Hs and Ts of PEA
A
Hypooxemia Hypotension Hyper/hypokalemia H+ ions (acidosis) Hypothermia Tension pneumo Tamponade Thrombosis lung thrombosis heart Toxins
