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on 24-May-2015 (Sun)

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Flashcard 150891927

Tags
#cardiovascular #medicine
Question
What does the ECG of Atrial Fibrillation Show ?
Answer
ECG shows absent P waves, irregular QRS complexes.

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

pdf

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Flashcard 150891941

Question
foreach
Answer
a special kind of looping statement that works only on arrays (and objects).

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill






Annotation 150891953

uuse value as reference and change original value in array
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php 6
variable's value. To work with references to the array elements rather than copies of the values, simply add a & (ampersand) symbol before the variable name within the foreach statement: foreach ( $array as <span>&$value ) { Here's the previous example rewritten to use references: $authors = array( "Steinbeck", "Kafka", "



Annotation 150891965

the unset( $val ) line ensures that the $val variable is deleted after the loop has finished. This is generally a good idea, because when the loop finishes, $val still holds a reference to the last element (that is, "Dickens"). If you were to change $val later in your code, you would inadvertently alter the last element of the $authors array
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php 6
;Kafka", "Tolkien", "Dickens" ); // Displays "Steinbeck Kafka Hardy Dickens"; foreach ( $authors as &$val ) { if ( $val == "Tolkien" ) $val = "Hardy"; echo $val . " "; } <span>unset( $val ); echo "<span>
"; // Displays "Array ( [0] => Steinbeck [1] => Kafka [2] => Hardy [3] => Dickens )" print_r ( $authors ); Notice ho



Flashcard 150891974

Tags
#cardiovascular #medicine
Question
What are the drugs used to control ventrciular rate in acute AF ??
Answer
1st -line verapamil or bisoprolol
2nd -line: digoxin or amiodarone.

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

pdf

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Flashcard 150891981

Tags
#cardiovascular #medicine
Question
What is the primary drug used for Rate control in Chronic Atrial Fibrillation ?
Answer
Beta blocker or rate-limiting Ca 2+ blocker are 1st choice.

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

pdf

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