null
US
Sign In
Sign Up for Free
Sign Up
We have detected that Javascript is not enabled in your browser. The dynamic nature of our site means that Javascript must be enabled to function properly. Please read our
terms and conditions
for more information.
Next up
Copy and Edit
You need to log in to complete this action!
Register for Free
26691978
FAISAL WORKS IN HIS GARDEN
Description
Mind Map on FAISAL WORKS IN HIS GARDEN, created by Mai Hussein on 18/10/2020.
Mind Map by
Mai Hussein
, updated more than 1 year ago
More
Less
Created by
Mai Hussein
about 4 years ago
41
0
0
Resource summary
FAISAL WORKS IN HIS GARDEN
conduction system of the heart
AP in ventricular myocyte
phase 0: Na+ influx
phase 1: Na+ close & K+ open
phase 2: Ca2+ influx (L-type)
phase 3: K+ efflux
phase 4: K+ conductance
AP in SA node
phase 0: Ca2+ influx
phase 4: Na+ influx by HCN channels
phase 3: K+ efflux
Heart anatomy
Grooves
Atrioventricular (coronary) groove
Anterior interventricular groove
Interatrial groove
Posterior interventricular groove
Pericardium
inner Serous pericardium
Parietal layer
Visceral layer
Outer fibrous pericardium
Located in the inferior mediastinum
External features
4 Surfaces
Sternocostal surface
Atrial portion
Ventricular portion
Diaphragmatic surface
Left “pulmonary” surface
Right “pulmonary” surface
4 borders
Left border
Right border
Superior border
Inferior border
Base
Directed backward, to the right
Formed by left atrium / part of right atrium.
Apex
Directed downwards, forwards,to the left
Lie in the 5th IC
Formed by left ventricle
Heart wall
Epicardium
Myocardium
Endocardium
Sick Sinus Syndrome
Causes
Neuromuscular diseases
Inflammatory diseases
Age
Obstructive sleep apnea
Rare genetic mutations
Pathophysiology
Mechanism of sinus bradycardia
lower MDP
Higher threshold
Reduced sodium current flow
Mechanism of tachycardia
AV node ectopic focus
Enhanced SA automaticity
manifestations
Bradychardia-tachycardia syndrome
Sinus arrest
SA block
chronotropic incompetence
Management
Non-Pharmacological
Pacemaker
Pharmacological
Class I: Na+ Channel Blockers
Class Ia
Class Ib
Class Ic
Class IV: Ca+2 -Channel Blockers
Class II: Beta-blocker
Class III: K+-Channel Blockers
Risk factors
High blood pressure
High cholesterol
Excess body weight
Lack of exercise
history of congenital heart disease
Unconsciousness & Fainting
Signs to check for:
Pain responds
unresponsiveness
Verbal stimulus
Awake
arrhythmias
Brady arrhythmias
tachyarrhythmias
Show full summary
Hide full summary
Want to create your own
Mind Maps
for
free
with GoConqr?
Learn more
.
Similar
Sports betting quiz
slowplay.pocketa
An Inspector calls Themes
anya14
Family & Households
caryscallan
B6 - Brain and Mind OCR
franimal
AS Chemistry - Enthalpy Changes
Sarah H-V
Romeo and Juliet: Key Points
mbennett
AS Media Studies Terminology
Mourad
Variation and evolution Quiz
James Edwards22201
AQA GCSE Physics Unit 2
Gabi Germain
Chemistry revision
Jordyn Niu
Core 1.8 Metals
T Andrews
Browse Library