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Patho Exam 3 Conduction/Heart Failure/Calculations
Johns
7
Pathology
Graduate
11/13/2013

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Cards

Term
sinus dysrhythmias
Definition
sinus brady: regular HR <60 bpm
sinus tachy: regular HR >100 bpm
sinus arrest: transient pause > 2 sec
sinus arrhythmia: irregular HR
Term
atrial dysrhythmias
Definition
atrial flutter: QRS separated by constant low waves
A-fib: elongated P waves overbear on t waves
(flutter and a-fib both start with premature depol--> self-perpetuating APs)
supraventricular tachycardia: AV node-origin tachy
Term
ventricular dysrhythmias
Definition
PVC: Ventricles contract before atria
Ventricular tachy: ventricles contract faster than other nodes--> MI
V-fib/flutter: self-perpetuating, weird ECG
Term
EKG: ischemia, injury, necrosis
Definition
ST depression/elevation
T flattening/inversion
Term
Causes of Heart Failure
Definition
Both sides: my valet's heart really collapsed
MI
Valvular disease
HTN
Renal failure (fluid overload)
Cardiomyopathies
RSHF:
-pulmonary disease
Term
CO =
Definition
SV * HR
Term
MAP =
Definition
(2diastolic + systolic)/3
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