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Flashcards in Chapter 1 Deck (74)
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1
Q

Disease of the coronary arteries and their resulting complications such as angina pectoris and acute MI

A

Coronary heart disease

2
Q

Disease of the arteries that supply the heart muscle with blood

A

Coronary artery disease

3
Q

A sudden loss of effective blood flow that’s caused by cardiac and/or peripheral vascular factors that may reverse spontaneously (like syncope) or only with intervention (like cardiac arrest)

A

Cardiovascular collapse

4
Q

The absence of cardiac mechanical activity, which is confirmed by the absence of a detectable pulse, unresponsiveness and apnea or agonal gasping breathing

A

Cardiopulmonary (cardiac) arrest

5
Q

A natural death of cardiac cause that’s preceded by an abrupt loss of consciousness within one hour of the onset of an acute change in cardiovascular status

A

Sudden cardiac death

6
Q

What are the heart rhythms that may be observed in a cardiac arrest?

A
  1. Pulseless VT (wide regular QRS faster than 120 bpm)
  2. VFib (irregular chaotic deflections that vary in shape and height are observed but there’s no coordinated ventricular contraction)
  3. Asystole (no cardiac electrical activity is present
  4. Pulseless electrical activity (Electrical activity is visible on EKG but central pulses are absent)
7
Q

What are the shockable rhythms? the nonshockable?

A

Shockable - VT and VF

nonshockable - Asystole and PEA

8
Q

What are the links in the chain of survival?

A
  1. early recognition and activation
  2. early CPR
  3. Early defibrillation
  4. Effective advanced life support
  5. Integration of post-cardiac arrest care
9
Q

Who makes up a medical emergency team or a rapid response team?

A

A physician and a nurse with critical care training who are available at all times

10
Q

What are the components of basic life support?

A
  1. recognition of signs of cardiac arrest, heart attack, stroke and foreign body airway obstruction.
  2. relief of foreign body airway obstruction
  3. cardiopulmonary resuscitation (CPR)
  4. defibrillation with an automated external defibrillator (AED
11
Q

When performing chest compressions, when is systole and when is diastole?

A

Systole is in the chest compression phase and diastole is in the release phase

12
Q

Whats the key detereminant of the success of resuscitation ?

A

Coronary perfusion pressure, generated when performing external chest compressions

note that adequate cerebral and coronary perfusion pressures are critical to neurologically normal survival

13
Q

when you determine that CPR is needed what is the initial action performed?

A

Chest compression - this enables better delivery of the oxygen that’s already present in the lungs and arterial circulation to the heart and brain

14
Q

What’s the Cardiac output during CPR?

A

25-33% of normal

15
Q

What makes high quality chest compressions?

A
  • Pushing had on a victims chest
  • Ccompressing at a rate of at least 100 compressions/minute allowsing full chest recoil after each compression (so the heart can refill)
  • Minimizing the interruptions in chest compressions
16
Q

How hard should you push on an adults chest?

A

at least 2 inches (5cm) in adults

17
Q

How hard should you push on an infants chest?

A

A depth of at least one third the AP diameter of the chest or about 1.5 inches (4cm)

18
Q

how hard should you push on a childs chest?

A

about 2 inches (5cm)

19
Q

What is the post-cardiac arrest syndrome?

A

Pathophysiology due to the ischemia-reperfusion response that occurs during cardiac arrest and subsequent return of spontaneous circulation

20
Q

What are the components of the post cardiac arrest syndrome?

A
  • post-cardiac arrest brain injury
  • post-cardiac arrest myocardial dysfunction
  • systemic ischemia/reperfusion response
  • persistent precipitating pathology that caused or contributed to the cardiac arrest
21
Q

What are the PATCH-4-MD possible treatable causes of cardiac emergencies?

A

Pulmonary embolism - anticoagulant, surgery
Acidosis - ventilation, correct acid-base disturbance
Tension pneumothorax - needle decompress
Cardiac tamponade - pericardiocentesis
Hypovolemia - replace volume
Hypoxia - ensure adequate oxygenation and ventilation
Hypothermia/Hyperthermia
Hypo/Hyperkalemia (and other electrolytes) - monitor glucose carefully wile correcting electrolytes
Myocardial infarction - reperfusion therapy
Drug overdose/accidents

22
Q

What are the 5 H’s for possible treatable causes of cardiac emergencies?

A
Hypovolemia
Hypoxia
Hypothermia
Hypo/Hyperkalemia
Hydrogen ion (acidosis)
23
Q

What are the 5 T’s for possible treatable causes of cardiac emergencies?

A
Tamponade, cardiac
Tension pneumothorax
Thrombosis: lungs (massive PE)
Thrombosis: heart (ACS)
Tablets/Toxins
24
Q

What are the three phase of cardiopulmonary resuscitation due to VF?

A
  1. Electrical phase
  2. Circulatory (hemodynamic) phase
  3. Metabolic phase
25
Q

What is the time frame and intervention of phase 1 of cardiopulmonary resuscitation?

A

Electrical phase
Occurs from the time of VF arrest to about the first 5 min after the arrest
Intervention is electrical therapy (defibrillation)

26
Q

What is the time frame and intervention of phase 2 of cardiopulmonary resuscitation?

A

Circulatory (hemodynamic) phase
Occurs from 5 min to 15 min after VF arrest
Intervention is CPR before electrical therapy

27
Q

What is the time frame and intervention of phase 3 of cardiopulmonary resuscitation?

A

Metabolic phase
Occurs after about 15 minutes
Intervention is therapeutic hypothermia

28
Q

What type of drug may improve perfusion pressures during cardiac arrest?

A

Vasopressors

29
Q

What is a common cause of intrathoracic pressure during CPR?

A

Hyperventilation

Increased pressure can decrease venous return during the release (diastolic) phase of chest compression

30
Q

What therapeutic method should be part of a standardized treatment strategy for comatose survivors of cardiac arrest?

A

Therapeutic hypothermia

  • suppresses damaging chemical reactions
  • can improve oxygen deliver to the brain
  • Decreases HR and increases TPR while maintain stroke volume and BP
31
Q

What is the interval preceding a cardiac arrest called?

A

Prearrest period

32
Q

What is the time period called 1 hr before and 1 hr after a cardiac arrest?

A

Periarrest period

33
Q

What acronym should you use for making a general impression of a patient (determining stable from unstable patient)?

A

Appearance
(work of) Breathing
Circulation

34
Q

What is the ABCDE sequence of the primary survey?

A

During this phase, assessment and management occur at the same time (treat as you find)

Airway
Breathing
Circulation
Disability/Defibrillation  
Exposure
35
Q

When should you repeat the primary survey?

A

Change in the patient’s condition; when interventions aren’t working; unstable vital signs; before any procedures; with a change in cardiac rhythm

36
Q

What’s the point of the secondary survey?

A

detect potentially life-threatening conditions

advanced life support interventions and management

37
Q

What are the action steps of the secondary survey?

A
Obtain vital signs/ history
Reassess: Airway, breathing, circulation
Differential diagnosis/Diagnostic procedures
Evaluate interventions, pain management
Facilitate family presence
38
Q

What component of patient assessment includes focusing on advanced life support assessment and interventions?

A

secondary survey

39
Q

What component of patient assessment includes applying pads to the patients bare chest and defibrillating, if indicated

A

primary survey

40
Q

What component of patient assessment includes the purpose is to develop a sense if the patient is sick or not sick?

A

general impression

41
Q

What component of patient assessment includes evaluating interventions and pain management

A

secondary survey

42
Q

What component of patient assessment includes when the purpose is to detect the presence of life-threatening problems and immediately correct them?

A

primary survey

43
Q

What component of patient assessment includes determining if breathing is adequate or inadequate

A

primary survey

44
Q

What component of patient assessment includes when the purpose is to detect potentially life-threatening conditions and provide care for those conditions?

A

secondary survey

45
Q

What component of patient assessment includes assessing for visible movement of the chest or abdomen from a distance, looking for signs of breathing effort and the presence of audible airway sounds?

A

general impression

46
Q

What component of patient assessment includes focusing on basic life support assessment and interventions?

A

primary survey

47
Q

What component of patient assessment includes asking the patient, family, bystander or others questions regarding the patient’s history?

A

secondary survey

48
Q

What component of patient assessment includes inserting an advanced airway if needed

A

secondary survey

49
Q

What component of patient assessment includes obtaining vital signs, attaching a pulse oximeter, EKG, and BP monitoring?

A

secondary survey

50
Q

What component of patient assessment includes establishing vascular access

A

secondary survey

51
Q

What component of patient assessment includes opening the airway is the patient is unresponsive?

A

primary survey

52
Q

What component of patient assessment includes searching for, finding and treating reversible causes of the cardiac arrest, rhythm or clinical situation?

A

secondary survey

53
Q

Examples of breathing that may be evident in the first few minutes of cardiac arrest

A

apnea or agonal, gasping breathing

54
Q

first link in the adult chain of survival

A

Early recognition and access

55
Q

Second phase of CPR

A

Circulatory (hemodynamic) phase

56
Q

One of the factors affecting perfusion pressures during cardiac arrest

A

Vascular resistance

57
Q

The “D” in the secondary survey

A

Differential diagnosis

58
Q

Chest compression rate for adults, children and infants

A

at least 100/minute

59
Q

Cardiac rhythm in which electrical activity is visible on the ECG but central pulses are absent

A

Pulseless electrical activity

60
Q

The absence of cardiac mechanical activity, confirmed by the absence of a detectable pulse, unresponsiveness and apnea or agonal, gasping breathing

A

Cardiac arrest

61
Q

Phase of CPR during which the effectiveness of immediate defibrillation and CPR followed by defibrillation decreases rapidly and survival rates appear to be poor

A

Metabolic phase

62
Q

Third link in the adult chain of survival

A

Early defibrillation (if indicated)

63
Q

Period of the cardiac cycle during which most coronary blood flow occurs

A

Diastole

64
Q

Chest compression depth for adults

A

At least 2 inches (5 cm)

65
Q

First phase of CPR

A

Electrical phase

66
Q

interruptions in chest compressions cause this to fall rapidly

A

cerebral and coronary perfusion pressures

67
Q

conditions that occur as a result of the ischemia-reperfusion response during cardiac arrest and subsequent return of spontaneous circulation

A

Post-cardiac arrest syndrome

68
Q

Memory aid used to assess level of responsiveness

A

AVPU

69
Q

Recognized treatment strategy for comatose survivors of cardiac arrest

A

therapeutic hypothermia

70
Q

A (sudden) loss of effective blood flow caused by cardiac and/or peripheral vascular factors that may revert spontaneously or only with interventions

A

Cardiovascular collapse

71
Q

The ideal series of events that should take place immediately following the recognition of onset of sudden illness

A

Chain of survival

72
Q

Cardiac rhythm in which irregular chaotic deflections that vary in shape and height are observed on the ECG but there’s no coordinated ventricular contraction

A

Ventricular fibrillation

73
Q

Chest compression depth for infants

A

about 1.5 inches (4 cm)

74
Q

Fifth link in the adult chain of survival

A

post-cardiac arrest care