CARDIAC PHYSIOLOGYMNEMONICS

1. CARDIAC PHYSIOLOGYMNEMONICS


Heart compensatory mechanisms that 'save' organ blood flow during shock
"Heart SAVER":
  • Sympathoadrenal system
  • Atrial natriuretic factor
  • Vasopressin
  • Endogenous digitalis-like factor
  • Renin-angiotensin-aldosterone system

Heart: tropic definitions
  • Lusitropic: loose is relaxed. Definition: relax heart.
  • Inotropic: when heart wall contracts, moves inward. Definition: contract heart.
  • Chronotropic: 'chrono-' means 'time'. Defintion: heart rate (of SA node impulses).
  • Dromotropic: only one left, it must be conduction speed by default.

Heart valves: closure sequence
"Many Things Are Possible":
  • Mitral, Tricuspid, Aortic, Pulmonic
Heart valves: sequence of flow
TRIPS BIAS:
  • TRIcuspid
  • Pulmonary
  • Semilunar
  • BIcuspid
  • Aortic
  • Semilunar
JVP: wave form
ASK ME:
  • Atrial contraction
  • Systole (ventricular contraction)
  • Klosure (closure) of tricusps, so atrial filling
  • Maximal atrial filling
  • Emptying of atrium

Sino-atrial node: innervation
  • Sympathetic acts on Sodium channels (SS).
  • Parasympathetic acts on Potassium channels (PS).
Image result for sa node innervation

2. CARDIAC PATHOLOGYMNEMONICS


Aneurysm: types
MAD SCAB:
  • Mycotic
  • Atherosclerotic
  • Dissecting
  • Syphilitic
  • Capillary microaneurysm
  • Arteriovenous fistula
  • Berry
Image result for aneurysm types


Aortic regurgitation: causes
CREAM:
  • Congenital
  • Rheumatic damage
  • Endocarditis
  • Aortic dissection/ Aortic root dilatation
  • Marfan Syndrome
Aortic stenosis: characteristics
SAD:
  • Syncope
  • Angina
  • Dyspnea

Apex beat: abnormalities found on palpation, causes of impalpable
HILT:
  • Heaving
  • Impalpable
  • Laterally displaced
  • Thrusting/ Tapping
  *If it is impalpable, causes are COPD:
  • COPD
  • Obesity
  • Pleural, Pericardial effusion
  • Dextrocardia

Apex beat: differential for impalpable apex beat
DOPES:
  • Dextrocardia
  • Obesity
  • Pericarditis/ Pericardial tamponade/ Pneumothorax
  • Emphysema
  • Situs inversus/ Student incompetence/ Scoliosis/ Skeletal abnormalities (eg. pectus excavatum)
Image result for apex beat

Atherosclerosis: risk factors
"You're a SAD BET with these risk factors":
  • Sex: male
  • Age: middle-aged, elderly
  • Diabetes mellitus
  • BP high: hypertension
  • Elevated cholesterol
  • Tobacco

Image result for atherosclerosis risk factors

Beck's triad (cardiac tamponade)
3 D's:
  • Distant heart sounds
  • Distended jugular veins
  • Decreased arterial pressure
Image result for becks triad

Cardiovascular: risk factors
FLASH BODIES:
  • Family history
  • Lipids
  • Age
  • Sex
  • Homocystinemia
  • Blood pressure
  • Obesity
  • Diabetes mellitus
  • Inflammation (raised CRP)/ Increased thrombosis
  • Exercise
  • Smoking

CHF: causes of exacerbation
FAILURE:
  • Forgot medication
  • Arrhythmia/ Anemia
  • Ischemia/ Infarction/ Infection
  • Lifestyle: taken too much salt
  • Up regulation of CO: pregnancy, hyperthyroidism
  • Renal failure
  • Embolism: pulmonary

CHF: causes of exacerbation
A SMITH PEAR:
  • Anemia
  • Salt/ Stress/ Stopping meds
  • MI
  • Infection/ Ischemia
  • Thyroid (high/low)
  • HTN
  • Pericarditis
  • Endocarditis (valve disease)
  • Arrhythmia
  • Rx (beta blocker, etc)

Coronary artery bypass graft: indications
DUST:
  • Depressed ventricular function
  • Unstable angina
  • Stenosis of the left main stem
  • Triple vessel disease

Deep venous thrombosis: genetic causes
ALASCA:
  • Anti thrombin III
  • Leiden (Factor V)
  • APC (Activated Protein C)
  • S-protein deficiency
  • C-protein deficiency
  • Anti phospholipid antibody
Image result for deep vein thrombosis

Deep venous thrombosis: diagnosis
DVT:
  • Dilated superficial veins/ Discoloration/ Doppler ultrasound
  • Venography is gold standard
  • Tenderness of Thigh and calf
Image result for deep vein thrombosis

Heart failure: causes
"HEART MAy DIE":
  • Hypertension
  • Embolism
  • Anemia
  • Rheumatic heart disease
  • Thyrotoxicosis (incl. pregnancy)
  • Myocardial infarct
  • Arrythmia
  • Y
  • Diet & lifestyle
  • Infection
  • Endocarditis
Image result for HEART FAILURE

Heart failure: signs
TAPED TORCH:
  • Tachycardia
  • Ascites
  • Pulsus alternans
  • Elevated jugular venous pressure
  • Displaced apex beat
  • Third heart sound
  • Oedema
  • Right ventricular heave
  • Crepitations or wheeze
  • Hepatomegaly (tender)
Image result for heart failure signs

Heart murmurs
"hARD ASS MRS. MSD":
  • hARD: Aortic Regurg = Diastolic
  • ASS: Aortic Stenosis = Systolic
  • MRS: Mitral Regurg = Systolic
  • MSD: Mitral Stenosis = Diastolic
Image result for heart MURMURS

Hypertension: secondary hypertension causes
CHAPS:
  • Cushing's syndrome
  • Hyperaldosteronism [aka Conn's syndrome]
  • Aorta coarctation
  • Phaeochromocytoma
  • Stenosis of renal arteries
  *Note: only 5% of hypertension cases are secondary, rest are primary.
Image result for secondary hypertension causes

Jugular venous pressure (JVP) elevation: causes
HOLT: Grab Harold Holt around the neck and throw him in the ocean:
  • Heart failure
  • Obstruction of venea cava
  • Lymphatic enlargement - supraclavicular
  • Intra-Thoracic pressure increase
Image result for jvp elevation

JVP: raised JVP differential
PQRST (EKG waves):
  • Pericardial effusion
  • Quantity of fluid raised (fluid over load)
  • Right heart failure
  • Superior vena caval obstruction
  • Tricuspid stenosis/ Tricuspid regurgitation/ Tamponade (cardiac)
Image result for jvp elevation

JVP: raised JVP: extra-cardiac causes
FAT PEA:
  • Fever
  • Anaemia
  • Thyrotoxicosis
  • Pregnancy
  • Exercise
  • A-V fistula
 *These are in addition to all the cardiac ones (pericardial effusion, RHF, tricuspid stenosis, SVC obstruction, etc).
Image result for jvp elevation

MI: complications
HAS CRAPPED:
  • Heart failure/ Hypertension
  • Arrhythmia
  • Shock
  • Cardiac Rupture
  • Aneurysm
  • Pericarditis
  • Pulmonary Emboli
  • DVT
Image result for myocardial infarction complication

MI: complications
LEAP on the MAP
  • LVF
  • Embolism (systemic)
  • Aneurysm (ventricular)
  • Progressive infarction
  • Myocardial rupture
  • Arrhythmia
  • Pericarditis

MI: post-MI complications
ACT RAPID:
  • Arrhythmias (SVT, VT, VF)
  • Congestive cardiac failure
  • Tamponade/ Thromboembolic disorders
  • Rupture (ventricle, septum, papillary muscle)
  • Aneurysm (ventricle)
  • Pericarditis
  • Infaction (a second one)
  • Death/ Dressler's syndrome

MI: signs and symptoms
PULSE:
  • Persistent chest pains
  • Upset stomach
  • Lightheadedness
  • Shortness of breath
  • Excessive sweating
Related image

MI: sequence of elevated enzymes after MI
"Time to CALL 911":
From first to appear to last:
  • Troponin
  • CK-MB
  • AST
  • LDH1
Image result for myocardial infarction sequence of enzyme elevation
Image result for myocardial infarction management

Mitral stenosis (MS) vs. regurgitation (MR): epidemiology
  • MS is a female title (Ms.) and it is female predominant.
  • MR is a male title (Mr.) and it is male predominant.

Murmur attributes
IL PQRST (person has ill PQRST heart waves):
  • Intensity
  • Location
  • Pitch
  • Quality
  • Radiation
  • Shape
  • Timing

Murmurs: innocent murmur features
8 S's:
  • Soft
  • Systolic
  • Short
  • Sounds (S1 & S2) normal
  • Symptomless
  • Special tests normal (X-ray, EKG)
  • Standing/ Sitting (vary with position)
  • Sternal depression

Murmurs: locations and descriptions
"MRS ASS":
  • MRS: Mitral Regurgitation--Systolic
  • ASS: Aortic Stenosis--Systolic
 The other two murmurs, Mitral stenosis and Aortic regurgitation, are obviously diastolic.
Image result for murmurs location

Murmurs: louder with inspiration vs expiration
  • LEft sided murmurs louder with Expiration
  • RIght sided murmurs louder with Inspiration.

Murmurs: questions to ask
SCRIPT:
  • Site
  • Character (eg harsh, soft, blowing)
  • Radiation
  • Intensity
  • Pitch
  • Timing

Murmurs: right vs. left loudness
"RILE":
  • Right sided heart murmurs are louder on Inspiration.
  • Left sided heart murmurs are loudest on Expiration.

Murmurs: systolic
MR PV TRAPS:
  • Mitral
  • Regurgitation and
  • Prolaspe
  • VSD
  • Tricupsid
  • Regurgitation
  • Aortic and
  • Pulmonary
  • Stenosis

Murmurs: systolic types
SAPS:
  • Systolic
  • Aortic
  • Pulmonic
  • Stenosis
Systolic murmurs include aortic and pulmonary stenosis. Similarly, it's common sense that if it is aortic and pulmonary stenosis it could also be mitral and tricuspid regurgitation.

Murmurs: systolic vs. diastolic
  • PASS: Pulmonic & Aortic Stenosis=Systolic.
  • PAID: Pulmonic & Aortic Insufficiency=Diastolic.
Image result for systolic vs diastolic murmurs

Pericarditis: causes
CARDIAC RIND:
  • Collagen vascular disease
  • Aortic aneurysm
  • Radiation
  • Drugs (such as hydralazine)
  • Infections
  • Acute renal failure
  • Cardiac infarction
  • Rheumatic fever
  • Injury
  • Neoplasms
  • Dressler's syndrome
Image result for pericarditis

Pericarditis: findings
PERICarditis:
  • Pulsus paradoxus
  • ECG changes
  • Rub
  • Increased JVP
  • Chest pain [worse on inspiration, better when lean forward]

Peripheral vascular insufficiency: inspection criteria
DISC V:
  • Distribution of hair
  • Integrity of skin
  • Symmetry of leg musculature
  • Color of toenails
  • Varicose veins

Rheumatic fever: Revised Jones criteria
JONES PEACE:
*Major criteria: (JONES)
  • Joints: migratory
  • O (heart shaped) Carditis: new onset murmur
  • Nodules, subcutaneous: extensor surfaces
  • Erythema marginatum
  • Sydenham's chorea
    *Minor criteria: (PEACE)
  • PR interval, prolonged
  • ESR elevated
  • Arthralgias
  • CRP elevated
  • Elevated temperature (fever)
 Need 2 major or 1 major and 2 minor criteria, plus evidence of recent GAS infection (throat cx, rapid antigen test, or rising strep antibody titer).

Rheumatic fever: Revised Jones' criteria
JONES crITERIA:
 *Major criteria: (JONES)
  • Joint (arthritis)
  • Obvious (Cardiac)
  • Nodule (Rheumatic)
  • Erythema marginatum
  • Sydenham chorea
    *Minor criteria: (crITERIA)
  • Inflammatory cells (leukocytosis)
  • Temperature (fever)
  • ESR/CRP elevated
  • Raised PR interval
  • Itself (previous Hx of Rheumatic fever)
  • Arthralgia

Shock: general features
CHORD ITEM:
  • Cold, clammy skin
  • Hypotension
  • Oliguria
  • Rapid, shallow breathing
  • Drowsiness, confusion
  • Irritability
  • Tachycardia
  • Elevated or reduced central venous pressure
  • Multi-organ damage

Syncope causes, by system:
HEAD, HEART &  VESSELS: 
CNS causes include: (HEAD):
  • Hypoxia/ Hypoglycemia
  • Epilepsy
  • Anxiety
  • Dysfunctional brain stem (basivertebral TIA)
 Cardiac causes are: (HEART)
  • Heart attack
  • Embolism (PE)
  • Aortic obstruction (IHSS, AS or myxoma)
  • Rhythm disturbance, ventricular
  • Tachycardia
 Vascular causes are : VESSELS
  • Vasovagal
  • Ectopic (reminds one of hypovolemia)
  • Situational
  • Subclavian steal
  • ENT (glossopharyngeal neuralgia)
  • Low systemic vascul
  • Sensitive carotid sinus
Image result for syncope

3. CARDIAC PHARMACOLOGYMNEMONICS


ACEI: Contraindications
PARK:
  • Pregnancy
  • Allergy
  • Renal artery stenosis
  • K increase (hyperkalemia)
Image result for acei

Anti- arrhythmics (classification I to IV ):
MBA College
  In order of class I to IV:
  • Membrane stabilizers (class I)
  • Beta blockers
  • Action potential widening agents
  • Calcium channel blockers

Anti- arrhythmics: class III members
BIAS:
  • Bretylium
  • Ibutilide
  • Amiodarone
  • Sotalol

Anti-arrythmics: for AV nodes
Do Block AV":
  • Digoxin
  • B-blockers
  • Adenosine
  • Verapamil

Asprin: side effects
ASPRIN
  • Aplastic anemia
  • Salt & water retention
  • Peptic ulcer
  • Rash (skin Rash)
  • Induce bronchial asthma
  • Nephrotoxicity
Related image

Beta blockers: cardio selective beta blockers
  "Beta blockers Acting Exclusively At Myocardium"
 Cardio selective beta blockers are:
  • Betaxolol
  • Acebutelol
  • Esmolol
  • Atenolol
  • Metoprolol
Image result for cardioselective b blockers

Beta-blockers: main contraindications, cautions
ABCDE:
  • Asthma
  • Block (heart block)
  • COPD
  • Diabetes mellitus
  • Electrolyte (hyperkalemia)

Beta-blockers: side effects
"BBC Loses Viewers In Rochedale":
  • Bradycardia
  • Bronchoconstriction
  • Claudication
  • Lipids
  • Vivid dreams & nightmares
  • -ve Inotropic action
  • Reduced sensitivity to hypoglycaemia

Captopril (an ACE inhibitor): side effects
CAPTOPRIL:
  • Cough
  • Angioedema/ Agranulocystosis
  • Proteinuria/ Potassium excess
  • Taste changes
  • Orthostatic hypotension
  • Pregnancy contraindication/ Pancreatitis/ Pressure drop (first dose hypertension)
  • Renal failure (and renal artery stenosis contraindication)/ Rash
  • Indomethacin inhibition
  • Leukopenia/ Liver toxicity

Ca++ channel blockers: uses
CA++ MASH:
  • Cerebral vasospasm/ CHF
  • Angina
  • Migraines
  • Atrial flutter, fibrillation
  • Supraventricular tachycardia
  • Hypertension
  *Alternatively: "CHASM":
  • Cerebral vasospasm / CHF
  • Hypertension
  • Angina
  • Supraventricular tachyarrhythmia
  • Migraines

Hypertension: treatment
ABCD:
  • ACE inhibitors/ AngII antagonists (sometimes Alpha agonists also)
  • Beta blockers
  • Calcium antagonists
  • Diuretics

MI: basic management
BOOMAR:
  • Bed rest
  • Oxygen
  • Opiate
  • Monitor
  • Anticoagulate
  • Reduce clot size
Image result for myocardial infarction management

Myocardial infarctions: treatment
INFARCTIONS:
  • IV access
  • Narcotic analgesics (eg morphine, pethidine)
  • Facilities for defibrillation (DF)
  • Aspirin/ Anticoagulant (heparin)
  • Rest
  • Converting enzyme inhibitor
  • Thrombolysis
  • IV beta blocker
  • Oxygen 60%
  • Nitrates
  • Stool Softeners

Pulmonary edema: treatment
LMNOP:
  • Lasix
  • Morphine
  • Nitrates (NTG)
  • Oxygen
  • Position (upright vs. flat)
Image result for pulmonary edema x ray findings

Pulmonary edema: treatments
MAD DOG:
  • Morphine
  • Aminophylline
  • Digitalis
  • Diuretics
  • Oxygen
  • GGases in blood (ABG's)

Thrombolytic agents
USA:
  • Urokinase
  • Streptokinase
  • Alteplase (Tissue Plasminogen Activator)

4. ECG MNEMONICS


Atrial fibrillation: causes of new onset
THE ATRIAL FIBS:
  • Thyroid
  • Hypothermia
  • Embolism (P.E.)
  • Alcohol
  • Trauma (cardiac contusion)
  • Recent surgery (post CABG)
  • Ischemia
  • Atrial enlargement
  • Lone or idiopathic
  • Fever, anemia, high-output states
  • Infarct
  • Bad valves (mitral stenosis)
  • Stimulants (cocaine, theo,amphet, caffeine)
Related image

Atrial fibrillation: causes
PIRATES:
  • Pulmonary: PE, COPD
  • Iatrogenic
  • Rheumatic heart: mirtral regurgitation
  • Atherosclerotic: MI, CAD
  • Thyroid: hyperthyroid
  • Endocarditis
  • Sick sinus syndrome

Atrial fibrillation: management
ABCD:
  • Anti-coagulate
  • Beta-block to control rate
  • Cardiovert
  • Digoxin

Depressed ST-segment: causes
DEPRESSED ST:
  • Drooping valve (MVP)
  • Enlargement of LV with strain
  • Potassium loss (hypokalemia)
  • Reciprocal ST- depression (in I/W AMI)
  • Embolism in lungs (pulmonary embolism)
  • Subendocardial ischemia
  • Subendocardial infarct
  • Encephalon hemorrhage (intracranial hemorrhage)
  • Dilated cardiomyopathy
  • Shock
  • Toxicity of digitalis, quinidine
Image result for depressed st segment

Exercise ramp ECG: contraindications
RAMP:
  • Recent MI
  • Aortic stenosis
  • MI in the last 7 days
  • Pulmonary hypertension

ECG: left vs. right bundle block
"WiLLiaM MaRRoW":
  • W pattern in V1-V2 and M pattern in V3-V6 is Left bundle block.
  • M pattern in V1-V2 and W in V3-V6 is Right bundle block.
Image result for bundle branch block

ECG: T wave inversion causes
INVERT:
  • Ischemia
  • Normality [esp. young, black]
  • Ventricular hypertrophy
  • Ectopic foci [eg calcified plaques]
  • RBBB, LBBB
  • Treatments [digoxin]

Pericarditis: EKG
"PericarditiS":
  • PR depression in precordial leads.
  • ST elevation.
Image result for pericarditis ekg findings

Pulseless electrical activity: causes
PATCH MED:
  • Pulmonary embolus
  • Acidosis
  • Tension pneumothorax
  • Cardiac tamponade
  • Hypokalemia/ Hyperkalemia/ Hypoxia/ Hypothermia/ Hypovolemia
  • Myocardial infarction
  • Electrolyte derangements
  • Drugs
Image result for pulseless electrical activity causes

Sinus bradycardia: Etiology
"SINUS BRADICARDIA" (sinus bradycardia):
  • Sleep
  • Infections (myocarditis)
  • Neap thyroid (hypothyroid)
  • Unconsciousness (vasovagal syncope)
  • Subnormal temperatures (hypothermia)
  • Biliary obstruction
  • Raised CO2 (hypercapnia)
  • Acidosis
  • Deficient blood sugar (hypoglycemia)
  • Imbalance of electrolytes
  • Cushing's reflex (raised ICP)
  • Aging
  • Rx (drugs, such as high-dose atropine)
  • Deep anaesthesia
  • Ischemic heart disease
  • Athletes
Image result for sinus bradycardia

Sinus tachycardia: Etiology
TACH FEVER:
  • Tamponade/ Thyrotoxicosis
  • Anemia
  • CHF
  • Hypotension
  • Fever
  • Excrutiating pain
  • Volume depletion
  • Exercise
  • Rx (Theo, Dopa, Epi, etc)
Image result for sinus tachycardia

ST elevation: causes in ECG
ELEVATION:
  • Electrolytes
  • LBBB
  • Early repolarization
  • Ventricular hypertrophy
  • Aneurysm
  • Treatment (eg. pericardiocentesis)
  • Injury (AMI, contusion)
  • Osborne waves (hypothermia)
  • Non-occlusive vasospasm
Image result for st elevation

Supraventricular tachycardia: treatment
ABCDE:
  • Adenosine
  • Beta-blocker
  • Calcium channel antagonist
  • Digoxin
  • Excitation (vagal stimulation)
Image result for supraventricular tachycardia
CARDIAC PHYSIOLOGYMNEMONICS  CARDIAC PHYSIOLOGYMNEMONICS Reviewed by Bright Zoom on May 05, 2018 Rating: 5

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