WorksheetsCMED Weeks 1 and 2
Total questions: 96
Worksheet time: 48mins
The single most important initial question to ask a patient with palpitations is: “Are you ________ right now?”
Dizzy
In pain
Having symptoms
Taking your medications
Feeling anxious
Supraventricular arrhythmias primarily originate in the ________.
Ventricles
Atria
AV node only
Purkinje
Coronary arteries
A history of hypertrophic cardiomyopathy would most likely be suggested on exam by a harsh holosystolic murmur at the left sternal border that ________ with Valsalva.
Decreases
Disappears
Radiates to the neck
Increases
Becomes diastolic
Syncope associated with palpitations raises particular concern for a life-threatening ________ arrhythmia.
atrial
junctional
ventricular
sinus
nodal
When evaluating palpitations, older age is associated with a greater likelihood of which arrhythmias?
Atrial fibrillation/flutter and ventricular arrhythmias
Wolf-Parkinson-White only
Sinus arrhythmia only
First-degree AV block only
Premature atrial beats only
“Flip-flopping” sensations in the chest are most consistent with ________ beats.
Sinus tachycardia
Ventricular tachycardia
Premature beats
Atrial fibrillation
Complete heart block
“Rapid and regular neck pulses” during palpitations suggest which diagnosis?
Atrial fibrillation
Sinus bradycardia
Supraventricular tachycardia
Ventricular fibrilation
Second degree AV block
Each small box on standard ECG paper corresponds to ________ seconds in duration.
0.01
0.02
0.04
0.08
0.20
A prolonged PR interval indicates slowed conduction primarily in the ________.
SA node
atrial myocardium
AV node
His-Purkinje system
ventricular myocardium
Second-degree AV block is an example of a conduction problem that typically produces an ________ rhythm.
Always regular
Irregular
Fixed 2:1 conduction with no dropped beats
no P waves
Wide QRS only
Third-degree heart block often results in a regular rhythm because of ________ in the ventricles.
Fibrillation
Automaticity
Parasympathetic tone
Sympathetic surges
AV nodal pacing
Prolongation of the QRS duration usually indicates conduction delay in the ________ system.
SA nodal
AV nodal
distal His-Purkinje
atrial
coronary
Arrhythmias originating within the atria/SA node that cause palpitations with an irregular rhythm include premature atrial beats, wandering atrial pacemaker, and ________.
ventricular tachycardia
atrial fibrillation
sinus tachycardia
3rd-degree heart block
junctional escape rhythm
Regular palpitations due to fast rhythms arising from the atria/SA node include sinus tachycardia and ________ tachycardia.
ventricular
multifocal atrial
focal atrial
junctional
idioventricular
Ventricular disease causing palpitations typically presents with a rhythm that is ________ and fast.
regular
irregular
polymorphic
absent
sinus
If QRS complexes occur without preceding P waves, this implies that depolarization is originating from a focus ________ the atria.
within
below (junction or ventricles)
above (sinus node only)
in the coronary arteries
in the pericardium
An ECG strip shows chaotic baseline, no discernible P waves, and irregularly irregular QRS complexes. This is most consistent with ________.
atrial flutter with fixed block
sinus arrhythmia
atrial fibrillation
ventricular tachycardia
second-degree AV block type I
Premature atrial beats can be recognized on ECG as early P waves with a ________ QRS complex.
absent
wide and bizarre
normal-looking (narrow)
inverted only in aVR
always preceded by a delta wave
An ECG shows tall, narrow QRS complexes at a rate of about 180 bpm with no visible P waves and a regular rhythm. This is most consistent with ________.
sinus tachycardia
supraventricular tachycardia
atrial fibrillation
multifocal atrial tachycardia
ventricular fibrillation
A 6-second rhythm strip shows wide QRS complexes at a rate of ~30 bpm with complete AV dissociation. This most likely represents ________.
Sinus. bradycardia
Ventricular tachycardia
Complete heart block with ventricular escape rhythm
Second-degree av block
atrial block
The convenient sequence method for estimating rate with a regular rhythm uses large boxes between R waves and the sequence 300–150–100–75–60–50. If two large boxes separate R waves, the rate is approximately ________ bpm.
50
60
75
100
150
To calculate heart rate for a very fast regular rhythm, the lecture suggests using the formula: 1500 divided by the number of ________ between R waves.
Seconds
Large boxes
Small boxes
QRS complexes
P waves
A narrow QRS complex tachycardia indicates that the impulse originates from a focus that is ________.
supraventricular (atrial or AV node)
ventricular myocardium
within the His-Purkinje system only
pericardial
coronary arterial
A patient describes “rapid fluttering that started abruptly and has been sustained.” The ECG shows a narrow-complex tachycardia at 190 bpm. Which rhythm best fits the description?
Sinus tachycardia from exercise
Premature ventricular contractions
Supraventricular tachycardia
Second-degree AV block
Ventricular fibrillation
“Sudden onset of shortness of breath and dizziness in a smoker” in the case list is meant to raise suspicion for ________ as the cause of palpitations.
premature atrial contractions
supraventricular tachycardia
pulmonary embolism with sinus tachycardia
2nd-degree AV block
ventricular fibrillation
In the summary slide, irregular palpitations can be caused by premature beats, wandering atrial pacemaker, multifocal atrial tachycardia, atrial fibrillation/flutter, and ________ heart block.
first-degree
second-degree
third-degree
any degree
none of the above
In the same summary, regular palpitations can be caused by sinus tachycardia, focal atrial tachycardia, supraventricular tachycardia, and ________ tachycardia.
ventricular
junctional
idioventricular
sinus brady
nodal escape
A rhythm strip shows groups of QRS complexes separated by progressively lengthening PR intervals followed by a dropped QRS. This pattern is characteristic of ________ AV block.
A. first-degree
B. second-degree type I (Wenckebach)
C. second-degree type II
D. third-degree
E. none; this is normal
first-degree
second-degree type I (Wenckebach)
second-degree type II
third-degree
none; this is normal
In the context of palpitations, an irregular pounding in the neck can suggest AV dissociation, meaning the atria and ventricles are ________.
depolarizing together in synchrony
depolarizing at different independent rates
both in fibrillation
inactive
both paced externally
A patient feels “occasional weird beats every few minutes.” ECG shows isolated early wide QRS complexes without preceding P waves, followed by compensatory pauses. These are best described as ________.
premature atrial contractions
premature ventricular contractions
supraventricular tachycardia
sinus arrhythmia
atrial flutter
The lecture emphasizes that reading ECGs the same way every time requires intentional development of a ________.
shortcut
reflex
habit
formula
mnemonic
In patients with palpitations, an irregularly irregular pulse without P waves on ECG strongly points to ________ as the underlying atrial rhythm.
sinus arrhythmia
atrial flutter
atrial fibrillation
multifocal atrial tachycardia
ventricular tachycardia
In the lecture framework, disturbances in the cardiac conduction system present clinically as palpitations because they alter cardiac ________.
Preload
afterload
rate and rhythm
contractility only
coronary perfusion only
The current universal definition of acute myocardial infarction (AMI) is predicated on monitoring ________, with at least one value above the 99th percentile URL and a rising or falling pattern.
CK-MB
Myoglobin
Total LDH
Cardiac troponin
AST
In the context of MI, _________ is required to rule out AMI, whereas high specificity is required to rule in AMI.
High sensitivity
High analytical imprecision
High specificity
low sensitivity
low precision
Human cardiac troponin I (cTnI) has an additional _________ amino-acid residue on the amino terminal end compared with skeletal muscle TnI, giving it complete cardiac specificity.
7
15
31
45
60
Total lactate dehydrogenase (LD/LDH) and its isoenzymes should _________ be used to evaluate cardiac disease according to the lecture.
Routinely
sometimes
no longer
only in young patients
only in women
A Type 1 MI is most commonly associated with _________ loss of coronary blood flow leading to STEMI.
Mild
Partial
intermittent
Total
Microvascular
Myocardial injury without myocardial necrosis but with ischemic chest pain is best designated as _________.
ST-elevation myocardial infarction
Non–ST-elevation myocardial infarction
Stable angina
Unstable angina
Angina
In clinical practice, natriuretic peptide monitoring (BNP or NT-proBNP) is most useful as a “rule-_________” test in suspected new CHF.
In
out
confirm
severity
progression
Brain natriuretic peptide (BNP) is named a “brain” peptide, but in CHF it is actually secreted mainly by cardiac muscle cells in the _________.
Atria
Right atrium
Left atrium
Ventricles
Coronary arteries
NT-proBNP is preferred over ANP for diagnostic testing partly because NT-proBNP has a _________ half-life.
Very short
Shorter
Similar
Longer
Unpredictable
Congestive heart failure is a condition in which ineffective pumping of the heart leads to accumulation of fluid primarily in the _________.
Brain
Kidneys
Lungs
Coronary
Pericardium
The Framingham risk score includes total cholesterol and _________ cholesterol as lipid components.
lDL
VLDL
HDL
Non-HDL
Lipoprotein alpha
The PROCAM score is validated only in _________.
Women
Men
Children
Patients over 70
Diabetic patients
The initial laboratory approach to assessing atherosclerosis includes measuring serum or plasma total cholesterol, LDL cholesterol, and ________ cholesterol.
VLDL
IDL
HDL
non-HDL
Chylomicron
In the PROCAM score, the triglyceride measurement is included in risk assessment along with LDL and HDL cholesterol and the presence of _________.
Hypertension
diabetes
family history of coronary artery disease
chronic kidney disease
atrial fibrillation
Atherosclerotic vascular disease status is routinely monitored by determining serum or plasma total cholesterol and _________ cholesterol.
A. HDL
B. VLDL
C. IDL
D. Lipoprotein(a)
E. ApoB
H
V
I
L
A
Hypokalemia in a hypertensive patient can suggest the secondary cause of _________.
Pheochromocytoma
Renal artery stenosis
Hyperaldosteronism
Coarctation of the aorta
Cushing disease
A basic laboratory evaluation of hypertension typically includes a complete blood count, electrolytes, creatinine, fasting glucose, and _________.
Serum troponin
Urinalysis
BNP
D-dimer
Serum amylase
Anti-neutrophil cytoplasmic antibodies (ANCA) are typically autoantibodies of the immunoglobulin _________ class.
IgA
IgD
IgE
IgG
IgM
Granulomatosis with polyangiitis (formerly Wegener’s granulomatosis) is one of the systemic vasculitides associated with _________.
ANA
ANCA
Anti-dsDNA
Rheumatoid factor
Anti-CCP
The p-ANCA pattern on ethanol-fixed neutrophils is characterized by a _________ staining pattern.
Nuclear
cytoplasmic granula
perinuclear
membranous
diffuse whole-cell
The most common antigenic target of p-ANCA antibodies is _________.
Proteinase 3 (PR3)
Myeloperoxidase (MPO)
Elastase
Cathepsin G
Lactoferrin
The antigen specifically associated with the c-ANCA immunofluorescence pattern is _________.
Myeloperoxidase
Proteinase 3 (PR3)
Lactoferrin
Cathepsin G
Elastase
D-dimer is a degradation product of cross-linked fibrin generated during the action of ________ on fibrin.
Thrombin
Factor XIIIa
Plasmin
Factor VIIa
Protein C
In patients with suspected acute DVT and a low clinical likelihood score, the first test typically performed is _________.
CT venography
Compression ultrasonography
D-dimer assay
MRI venogram
Invasive venography
A negative D-dimer test in a patient with low pretest probability of DVT is used to _________ DVT.
Rule in
Rule out
Confirm progression of
Grade severity of
Predict recurrence of
In stroke, imaging is crucial early on to determine whether the stroke is ischemic or _________.
Thrombotic
Embolic
Hemorrhagic
Lacunar
Watershed
For ischemic stroke, the general therapeutic goal is to _________ the ability to form clots.
Increase
Reduce
Maintain
Normalize
Ignore
The anion gap is calculated as the difference between the major free cations (Na⁺ and K⁺) and the free anions _________ and HCO₃⁻.
Lactate
Chloride
Sulfate
Phosphate
Albumin
An elevated anion gap occurs when acid anions such as _________ or ketones are present.
Chloride
Bicarbonate
Lactate
Calcium
Magnesium
Bronchoalveolar lavage (BAL) fluid that is notably cloudy may suggest a diagnosis of pulmonary _________.
Edema
Embolism
Alveolar proteinosis
sarcoidosis
Emphysema
The WHO recommends that patients with COPD be evaluated for deficiency of _________ as a possible underlying cause.
Alpha-1 antitrypsin (AAT)
Albumin
Ceruloplamsin
C-reactive protein
Ferritin
The diagnostic workup for lung cancer often begins when a new pulmonary mass is discovered by imaging such as chest x-ray, CT, or _________.
PE
MRI
Ultrasound
Fluoroscopy
Echocardiography
Molecular testing of advanced-stage adenocarcinoma (NSCLC) is required to direct therapy, particularly for mutations in the _________ gene that predict response to tyrosine kinase inhibitor therapy.
KRAS
EGFR
ALK
ROS1
PD-L1
Current guidelines recommend initial lung cancer molecular testing to include screening for rearrangements in ALK, EGFR, and _________.
BRAF
KRAS
ROS1
MET
HER2
Measurement of cytokeratin 19 fragments (CYFRA 21-1) in serum is particularly useful for assessing _________ in NSCLC.
Response to oxygen therapy
Prognosis and monitoring therapy
COPD severity
Asthma control
AAT deficiency
With a tunable diaphragm, applying light pressure is used to hear _________ frequency sounds such as S3 and S4.
Very high
High
Medium
Low
Mitral stenosis, S3, and S4 are best heard using _________ pressure with the diaphragm because they are low-frequency sounds.
no
very firm
light
alternating
moderate
Ejection murmurs and the murmurs of aortic and mitral regurgitation are typically _________-frequency and best heard with firm pressure.
Low
Medium
High
Mixed
. Normal jugular venous pressure (JVP) is _________cm or less above the sternal angle.
1
2
3
4
6
A normal JVP report might state: “The JVP is 3 cm above the sternal angle with the head of bed elevated to _________ degrees.”
0
15
30
60
90
The point of maximal impulse (PMI) is best palpated with the patient in the _________ position with the left arm abducted.
Prone
Right lateral decubitus
Left lateral decubitus
Sitting upright
Trendelenburg
A PMI that is diffuse or greater than about 3 cm in diameter usually suggests _________.
Right ventricular failure
aortic stenosis
left ventricular hypertrophy
pulmonic stenosis
pericarditis
A “thrill” on palpation is a buzzing or vibratory chest wall sensation caused by _________ blood flow.
Laminar
Turbulent
Reduced
Slow
Retrograde
The standard four precordial listening posts are often remembered as A–P–T–M, standing for Aortic, Pulmonic, Tricuspid, and _________.
Marginal
Muscular
Mitral
Midclavicular
Middle
A normal auscultation report might state that at the base S2 is louder than S1 with a physiologic split of _________ greater than P2.
A2
S3
S4
P1
M1
Physiologic splitting of S2 is due to delayed closure of the _________ valve from increased venous return to the right heart.
Aortic
Mitral
Tricuspid
Pulmonic
Pulmonic and aortic equally
Fixed splitting of S2 that does not vary with respiration suggests prolonged right ventricular systole, typically due to _________.
Aortic stenosis
Coarctation of the aorta
atrial septal defect
ventricular septal defect
patent ductus arteriosus
Pathologic wide splitting of S2 can be due to valve disease or _________ abnormalities that further delay pulmonic valve closure or cause premature aortic closure.
conduction
coronary
pulmonary
pericardial
autonomic
A murmur that begins after or with the carotid upstroke and ends before S2 is classified as _________.
Continuous
systolic
diastolic
presystolic
holodiastolic
A murmur that starts after S2 and stops before you feel the carotid upstroke is classified as _________.
systolic
diastolic
continuous
holosystolic
early systolic
According to the slide, aortic murmurs typically radiate to the _________.
Axilla
back
neck/carotids
xiphoid
abdomen
Mitral murmurs commonly radiate toward the _________.
axilla
neck
back
xiphoid
right upper sternal border
The murmur of hypertrophic cardiomyopathy in Case A is loudest at the _________ sternal border.
Upper right
Upper left
Lower left
Lower right
Mid-right
In hypertrophic cardiomyopathy, the murmur intensity typically _________ when the patient squats.
increases
decreases
disappears completely
does not change
becomes continuous
systolic crescendo-decrescendo murmur heard best at the right 2nd intercostal space that radiates to the carotids is most consistent with _________.
mitral regurgitation
aortic regurgitation
aortic stenosis
pulmonic stenosis
tricuspid regurgitation
An S3 is often described by the cadence _________ (“Lub-de-dub”).
“Gallop-3”
B. “Tennessee”
“Kentuck-3”
"Mississippi"
"Florida"
In Case D, a child with a systolic crescendo-decrescendo murmur at the 2nd left interspace that increases with inspiration most likely has _________ stenosis.
Aortic
Mitral
Tricuspid
Pulmonic
Subvalvular
In Noonan syndrome, pulmonic stenosis is a common congenital heart defect, and affected children often have _________ stature.
Tall
Short
Normal
Extremely obese
Gigantic
A holodiastolic blowing decrescendo murmur heard best at the left 2nd and 3rd interspaces and at the apex is due to _________ regurgitation.
Mitral
Tricuspid
Pulmonic
Aortic
None, it is a rub
Severe aortic regurgitation is most likely associated with which hemodynamic finding: a markedly _________ pulse pressure.
Narrowed
Widened
Reversed
Equalized
Unmeasurable
In Case F, the scratchy, scraping sound heard in both systole and diastole along the left third intercostal space that is better heard leaning forward and holding the breath is a _________ friction rub.
Pleural
Pericardinal
costal
diaphragmatic
mediastinal
A soft systolic ejection murmur at the left sternal border in a healthy 15-year-old athlete with no other abnormal findings is classified as an _________ murmur.
Aortic
Functional tricuspid
Innocent
Pathologic
Continuous
“Heaves” (or lifts) are described as rhythmic rises of the chest wall over the ventricles and are due to forceful _________ contraction.
Atrial
Ventricular
Atrial septal
Papillary
Pericardial
