9/6/21 Flashcards
At what heart rate should CPR be initiated for a pediatric patient with bradycardia and poor perfusion despite adequate oxygenation?
60
Trephination, Nail Indication
subungual hematoma >50% of nail bed surface or smaller hematomas if they are painful
What test should all patients with inferior myocardial infarction undergo to determine whether they have right ventricular involvement?
Right-sided ECG.
ACS
ECG Leads: Artery
Anterior and Septal:
V1 - V4
Left anterior descending (LAD)
ACS
ECG Leads: Artery
Inferior:
II, III, aVF
Right coronary artery (RCA) (70%+) or Left circumflex (LCx)
ACS
ECG Leads: Artery
Lateral
I, aVL, V5 - V6
Left circumflex (LCx) or
Diagonal of Left anterior descending
An ________________ myocardial infarction has ST elevation in leads V1 through V3.
anteroseptal
Posterior myocardial infarctions most commonly present with inferior and lateral MIs rather than ______________
Posterior myocardial infarctions most commonly present with inferior and lateral MIs rather than in isolation.
ECG findings consistent with posterior myocardial infarction include
horizontal ST depressions with tall, broad R waves and upright T waves in V1–V3.
A dominant R wave in V2
The coronary artery that supplies the inferior portion of the heart in most patients is the __________ artery.
right coronary
ST elevation in leads II, III, and aVF and reciprocal ST depression in leads I and aVL is diagnostic of an _____________ myocardial infarction.
inferior wall myocardial infarction
PE will show foreskin that, once retracted, cannot be brought to the usual position
Paraphimosis
How soon after potential exposure to Rh-positive fetal blood does an Rh-negative mother need to receive RhoGAM for it to be effective?
Within 72 hours.
The AHA and PALS guidelines define hypotension in children aged 1 to 10 years as an SBP less than ___________________
70 + (2 x age in years)
Threshold for hypotension for infants ages 1 to 12 months is less than ______________
70 mmHg
