Midterm A Flashcards
How often should a patient’s registration form be updated?
Every year
What information does a patient’s medication summary include?
- Dosage
- Route
- Frequency
- Whether the patient has received the dose at a particular time
What is a consultation note?
Input from a consulting subspecialty physician
What is the SOAP format for physician’s progress notes?
- Subjective (what the patient tells you
- Objective (what you find in the physical exam)
- Assessment (problem list)
- Plan (management)
What is the range for normal blood pressure values in the average healthy adult at rest?
90/60-120/80
What is the range for normal heart rates in the average healthy adult at rest?
60-100 BPM
What is the range for normal respiratory rates in the average healthy adult at rest?
12-20 breaths per minute
What is the range for normal body temperatures in the average healthy adult at rest?
97.8-99.1 degrees Fahrenheit
What is the range for normal pulse ox values in the average healthy adult at rest?
95-100%
What is systolic blood pressure?
The pressure exerted on the wall of the arteries during heart contraction (systole)
What is diastolic blood pressure?
The pressure exerted on the wall of the arteries during heart relaxation (diastole)
What range of systolic blood pressures classifies a patient as having Stage 1 hypertension
140-159mmHg
What range of diastolic blood pressures classifies a patient as having Stage 1 hypertension
90-99 mmHg
What range of systolic blood pressures classifies a patient as having Stage 2 hypertension
Greater than or equal to 160mmHg
What range of diastolic blood pressures classifies a patient as having Stage 2 hypertension
Greater than or equal to 100mmHg
What are Cheyne-Stokes respirations?
Apnea alternating with tachypnea (fast breathing >20bpm)
What is Kussmaul’s breathing?
Deep labored hyperventilation associated with metabolic acidosis
Patients with what comorbidity would exhibit Kussmaul’s breathing?
Diabetes
What is orthopnea?
Shortness of breath while laying flat
How much lower are axillary temperatures in relation to oral temperatures?
Axillary temps are 1 degree Celsius lower than oral temps
How much higher are rectal temperatures in relation to oral temperatures?
Rectal temps are 0.4-0.5C higher than oral temps
What are the sources of obtaining core temperature?
PA > esophagus > bladder > nasopharyngeal > rectal
What is the first step in the sequence of a patient interview?
Greeting the patient and establishing a rapport
What are the questions included in the CAGE questionnaire?
- Have you ever felt the need to CUT DOWN on your drinking?
- Have you ever felt ANNOYED by criticism of your drinking?
- Have you ever felt GUILTY about drinking?
- Have you ever had an EYE-OPENER to steady your nerves or get rid of a hangover?
What are the 5 stages of the Kubler-Ross theory of response to death?
1) Denial/isolation
2) Anger
3) Bargaining
4) Depression/sadness
5) Acceptance
What is the definition of nonmaleficence regarding professional ethics?
“First, Do No Harm”
What is subjective data?
What the patient tells you
What is objective data?
What you detect during the exam
What are the seven attributes of symptoms of present illness (CHLORIDE)?
- CHaracter or quality
- Location
- Onset
- Radiation
- Intensity
- Duration
- Exacerbating or alleviating factors
- Associated manifestations
What are the 4 cardinal techniques of physical examination?
1) Inspection
2) Palpation
3) Percussion
4) Auscultation
What electrolyte value is used to monitor salt/water balance and evaluate fluid and electrolyte balance?
Sodium
What are the normal adult lab values for sodium?
136-145mEq/L
What electrolyte value is important to assess cardiac function?
Potassium
What are the normal adult lab values for potassium?
3.5-5.0mEq/L
What electrolyte value is used to investigate acid/base balance and proper balance of body fluids?
Chloride
What are the normal adult lab values for chloride?
90-110mEq/L
What is the normal range for CO2 lab values in adult patients?
23-29mEq/L
What lab value reveals important information about how well the kidneys and liver are working?
Blood Urea Nitrogen (BUN)
What are the normal adult lab values for BUN?
10-20mg/dl
What are creatinine lab values used to diagnose?
Impaired renal function
If kidney function is impaired, how will the creatinine levels change?
The Cr levels will be elevated in the blood
What are normal creatinine levels in males?
0.6-1.2 mg/dl
What are normal creatinine levels in females?
0.5-1.1mg/dl
What lab value is used to diagnose or monitor diabetes?
Glucose
What are the normal lab values for glucose?
70-100mg/dL
What is the normal WBC range?
4,300-10,800
What is the normal Hgb range in females?
12-16
What is the normal Hgb range in males?
13-18
What is the normal range for hematocrit in men?
45-52%
What is the normal range of hematocrit in women?
37-48%
What is Mean Corpuscular Volume?
The average volume of a red cell
What is the normal range of mean corpuscular volume?
86-98 femtoliters
What is the normal range for platelet count?
150,000-400,000
What is CBC with diff?
Complete blood count with differential - a machine generated percentage of the different types of white blood cells
What does a PT test measure?
Extrinsic pathway to assess clotting ability of blood
What is a normal prothrombin time?
11-15 seconds
What is INR?
International normalized ratio - allows for standardization of the value no matter where the test is done
What are normal INR values?
1.0-1.5
What does PTT measure?
The efficacy of the intrinsic and common coagulation pathways.
What test is used to monitor the treatment effects with heparin?
PTT
What is the normal range of PTT?
30-50 seconds
How do cardiac myocytes maintain polarity?
Membrane pumps control distribution of ions to keep the inside of the cells electronegative
Which pump maintains the electrical polarity of the myocyte membranes?
The sodium/potassium pump
How does the sodium/potassium pump work? What form of energy does it use?
Pumps 3 Na+ OUT of the cell for every 2 K+ that come IN the cell. It uses ATP to keep the cell polarized.
Which cardiac cells are the power source of the heart?
Pacemaker cells
Which cardiac cells depolarize spontaneously?
Pacemaker cells
What is the dominant pacemaker of the heart?
Sino-atrial node in the right atrium
What is the intrinsic rate of the SA node?
60-100bpm
What is the intrinsic rate of the atrial foci?
60-75bpm
What is the intrinsic rate of the AV node (junctional foci)?
40-60bpm
What is the intrinsic rate of the HIS bundle/purkinje system (ventricular foci)?
30-40bpm
Which cardiac cells serve as the hard wiring of the heart and carry current throughout the heart?
Electrical conducting cells
What are the electrical conducting cells of the ventricles?
Purkinje system
What are the electrical conducting cells of the atria?
Bachman’s bundle
Which cardiac cells constitute the largest part of the heart tissue and are responsible for the labor of contracting and relaxing?
Myocardial cells
The waves of an EKG reflect the electrical activity of which cardiac cell types?
Myocardial cells
What is the voltage of one small square on an EKG paper? One large square?
Small square: 0.1mv
Large square: 0.5mv
What is the length of time indicated by one small square on an EKG paper? One large square?
Small square: 0.04sec
Large square: 0.2sec
What electrical activity of the heart is occurring during the P wave?
Atrial depolarization
What does the 1st portion of the P wave represent?
Right atrial depolarization
What does the 2nd portion of the P wave represent?
Left atrial depolarization
What is the purpose of the AV node delay?
It slows conduction from the atria to the ventricles to allow the atria to finish contracting before the ventricles begin to contract. Allows the atria to completely empty their volume into the ventricles.
What are the 3 parts of ventricular conduction?
1) Bundle of His
2) Bundle branches
3) Terminal purkinje fibers
What electrical activity of the heart is occurring during the QRS complex?
The beginning of ventricular depolarization and contraction
What is represented by R/R’ waves?
Bundle branch blocks
What electrical activity of the heart is occurring during the T wave?
Ventricular repolarization
Where is the PR interval?
Start of the P wave to the beginning of the QRS complex
Where is the ST segment?
The end of the QRS complex to the beginning of the T wave
Where is the QT interval?
Includes the QRS complex, ST segment, and T wave
What is indicated by a positive deflection on an EKG?
A wave of depolarization towards a positive electrode
What is indicated by a negative deflection on an EKG?
A wave of depolarization away from a positive electrode
What is indicated by a biphasic wave on an EKG?
Depolarizing wave moving perpendicular to a positive electrode
What direction is a wave of repolarization moving as indicated by a negative deflection?
Towards a positive electrode
What direction is a wave of repolarization moving as indicated by a positive deflection?
Away from a positive electrode
What leads make up a 12 lead EKG?
6 limb leads (3 standard leads, 3 augmented leads) and 6 precordial leads
How many electrodes are needed for a 12 lead EKG?
10
What view of the heart is seen with standard limb leads?
The frontal plane. It views electrical forces moving up, down, left and right throughout the circle.
What are the negative and positive electrodes in Lead 1?
Right arm negative, left arm positive. 0 degree orientation.
What are the negative and positive electrodes in Lead 2?
Right arm negative, left leg positive. 60 degree angle of orientation.
What are the negative and positive electrodes in Lead 3?
Left arm negative, left leg positive. 120 degree angle of orientation.
What view of the heart is seen with the precordial leads?
The horizontal plane, view electrical forces moving anteriorly and posteriorly
Which electrodes are positive and negative in the precordial lead system?
All precordial electrodes are positive with a negative central terminal that’s made by connecting all 3 limb leads
Which leads provide an anterior view of the heart?
V2, V3, V4
Which leads provide a left lateral view of the heart?
I, aVL, v5, v6
Which leads provide an inferior view of the heart?
II, III, aVF
Which leads provide a view of the right ventricle?
aVR, V1
Any lead in the 12 lead EKG that views the wave of atrial depolarization (P wave) as moving towards it will record a _______ deflection on the EKG.
Positive
Which leads in the 12 lead EKG show a positive P wave?
Left lateral leads and inferior leads - I, aVL, v5, v6, II, aVF
Which leads on a 12 lead EKG produce a biphasic wave during atrial depolarization (P wave)?
III and v1 because they lie perpendicular to the wave of atrial depolarization
Which lead in the frontal plane shows a negative P wave on a 12 lead EKG?
aVR because the current is going away from it
Which lead shows the most positive P wave amplitude?
Lead II
Which lead shows the most negative P wave amplitude?
aVR
How long is the PR interval?
0.12-0.2 seconds (3-5mm)
What electrical activity of the heart is represented by septal Q waves?
Depolarization of the interventricular septum
Q waves are seen as tiny negative deflections in which leads?
Left lateral leads - I, aVL, V5, V6
What is the normal amplitude of Q waves?
Less than or equal to 0.1mV
What pathology is denoted by a large negative Q wave in the inferior leads (II, III, aVF)?
Inferior MI
Where does the average vector of current swing during ventricular depolarization (QRS complex)?
Leftward 0-90 degrees
In which leads is the QRS complex positive?
Most of the left lateral and inferior leads