Katy Shared "250 test 1" - 14 Picmonics
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250 test 1
Parts of an ECG
- PQRST
- P Wave
- Atrial Depolarization
- QRS Complex
- Ventricular Depolarization
- T Wave
- Ventricular Repolarization
2 mins
ECG Interpretation
- Rate
- Rhythm
- P Waves
- Upright, Rounded, Before Every QRS
- PR Interval (< 0.20 seconds)
- Normal QRS (< 0.12 seconds)
2 mins
ECG: Sinus Bradycardia
- Rate
- < 60 bpm
- Rhythm
- Regular
- P Wave
- Present, Upright, Every QRS
- PR Interval
- < 0.20 seconds
- QRS Interval
- < 0.12 seconds
- Treatment
- Atropine
1 min
ECG: Sinus Tachycardia
- Rate
- > 100 bpm
- Rhythm
- Regular
- P Wave
- Present, Upright, Every QRS
- PR Interval
- < 0.20 seconds
- QRS Interval
- < 0.12 seconds
- Treatment
- Treat Underlying Cause
2 mins
ECG: Atrial Flutter
- Rate
- Variable
- Rhythm
- Regular or Irregular
- P Wave
- Saw Tooth, Multiple Before Every QRS
- PR Interval
- Non-measurable
- QRS Interval
- < 0.12 seconds
2 mins
Lidocaine
- Mechanism
- Blocks Na+ Channels
- Indications
- Ventricular Arrhythmia
- Anesthetic
- Side Effects
- Paresthesias
- Seizures
- Respiratory Depression
- Drowsiness
- Consideration
- Anesthetic Effects Extended with Epinephrine
1 min
ECG: Atrial Fibrillation
- Rate
- Variable Rate
- Rhythm
- Irregular Rhythm
- P Wave
- No P Wave
- PR Interval
- No PR Interval
- QRS Interval
- QRS < 0.12 Seconds
1 min
PT/PTT Lab Values
- Prothrombin Time (PT)
- 10-14 seconds
- Activated Partial Thromboplastin Time (PTT or aPTT)
- 25-35 seconds
1 min
Spinal cord comparison
- Cauda equina
- cauda equina
- gradual onset
- unilateral radiculopathy
- Hyporeflexia
- late onset bowel dysfunction
- saddle hypoanesthesia
- caused by: lumbar stenosis
- tumors
- thoracic sensory level means NOT CAUDA EQUINA
- Conus Medullaris
- conus medullaris
- sudden onset
- perianal anesthesia
- symmetric muscle weakness
- hyperreflexia
- Spinal cord compression
- spinal cord compression
- gradual worsening of lower back pain
- worse at night
- symmetric weakness
- hyporeflexia
- hyperreflexia
- decreased rectal tone
- Management:
- glucocorticoids
- neurosurgical emergency
- MRI spine
Autonomic Dysreflexia
- Injury Above T6
- Assessment
- Paroxysmal Hypertension
- Bradycardia
- Diaphoresis
- Flushing Above Lesion
- Piloerection
- Nasal Congestion
- Headache
- Interventions
- Elevate Head of Bed
- Remove Noxious Stimuli
2 mins
Glasgow Coma Scale
- LOC Assessment
- Score of 3 to 15
- 8 or Less = Coma
- Eye Opening
- Verbal Response
- Motor Response
1 min
Level of Consciousness: Descriptive guide for Glasgow Coma Scale
- Conscious
- Confused
- Delirious
- Somnolent
- Obtunded
- Stuporous
- Comatose
3 mins
Cardiovascular Effects of Beta-Blockers
- Cardiac Myocytes and Vasculature
- Decrease cAMP
- Decreases SA and AV Node Conduction Velocity
- Lower Blood Pressure
- Decrease O2 Consumption
- Decreases Mortality Post-MI
2 mins
Adenosine (Adenocard)
- Mechanism
- Slows AV Conduction
- Indications
- Supraventricular Tachycardia (Paroxysmal)
- Side Effects
- Bradycardia
- Flushing
- Dyspnea
- Considerations
- Rapid IV Push
- Caffeine and Theophylline Decrease Effectiveness
- Dipyridamole May Intensify Effects
2 mins
