Well maintained Cardiac Output in Elderly Men - USMLE Forums
USMLE Forums Logo
USMLE Forums         Your Reliable USMLE Online Community     Members     Posts
Home
USMLE Articles
USMLE News
USMLE Polls
USMLE Books
USMLE Apps
Go Back   USMLE Forums > USMLE Step 1 Forum

USMLE Step 1 Forum USMLE Step 1 Discussion Forum: Let's talk about anything related to USMLE Step 1 exam


Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 01-19-2011
kemoo's Avatar
USMLE Forums Guru
 
Steps History: 1+CK+CS
Posts: 378
Threads: 161
Thanked 102 Times in 51 Posts
Reputation: 116
Heart Well maintained Cardiac Output in Elderly Men

the relationship between cardiac output and heart rate, end-diaslolic volume and stroke volume for healthy elderly men and healthy younger men Based on the results of these studies, which of the following age-related anatomic changes contributes to well-maintained cardiac output in the elderly men?

A) Dilated ascending aorta
B) Increased coronary collateral circulation
C) Increased number of myocytes
D) Left ventricular dilation
E) Left ventricular hypertrophy
Reply With Quote Quick reply to this message



  #2  
Old 01-19-2011
USMLE Forums Guru
 
Steps History: Step 1 Only
Posts: 487
Threads: 95
Thanked 1,458 Times in 356 Posts
Reputation: 1468
Arrow

I don't get this qn, there are something missing. In the qn they were talking about a study result. But I don't see any given info in the stem...!!!!
Reply With Quote Quick reply to this message
  #3  
Old 01-19-2011
USMLE Forums Scout
 
Steps History: Not yet
Posts: 11
Threads: 3
Thanked 0 Times in 0 Posts
Reputation: 10
Default

E?,,,,,,,,,,,,,,,,,,,
Reply With Quote Quick reply to this message
  #4  
Old 11-22-2011
dr.muhamad's Avatar
USMLE Forums Guru
 
Steps History: 1 + CS
Posts: 300
Threads: 22
Thanked 97 Times in 62 Posts
Reputation: 107
Default

i guess this is B
Reply With Quote Quick reply to this message
  #5  
Old 11-22-2011
USMLE Forums Guru
 
Steps History: ---
Posts: 332
Threads: 48
Thanked 168 Times in 107 Posts
Default

Answer is E: Left ventricular hypertrophy
Reply With Quote Quick reply to this message
  #6  
Old 11-23-2011
USMLE Forums Veteran
 
Steps History: Not yet
Posts: 281
Threads: 74
Thanked 131 Times in 68 Posts
Reputation: 141
Arrow

Think its E,
A is close but that will lead to regurg and decrease CO.
Any more opinions
Reply With Quote Quick reply to this message
  #7  
Old 11-23-2011
USMLE Forums Scout
 
Steps History: Not yet
Posts: 52
Threads: 22
Thanked 11 Times in 7 Posts
Reputation: 21
Default cant unrstnd the question man

Quote:
Originally Posted by kemoo View Post
the relationship between cardiac output and heart rate, end-diaslolic volume and stroke volume for healthy elderly men and healthy younger men Based on the results of these studies, which of the following age-related anatomic changes contributes to well-maintained cardiac output in the elderly men?

A) Dilated ascending aorta
B) Increased coronary collateral circulation
C) Increased number of myocytes
D) Left ventricular dilation
E) Left ventricular hypertrophy
m not really able 2 undrstnd the question , frame it right plz
Reply With Quote Quick reply to this message



Reply

Tags
Cardiovascular-, Physiology-, Step-1-Questions

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the USMLE Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Medical School
Choose "---" if you don't want to tell. AMG for US & Canadian medical schools. IMG for all other medical schools.
USMLE Steps History
What steps finished! Example: 1+CK+CS+3 = Passed Step 1, Step 2 CK, Step 2 CS, and Step 3.

Choose "---" if you don't want to tell.

Favorite USMLE Books
What USMLE books you really think are useful. Leave blank if you don't want to tell.
Location
Where you live. Leave blank if you don't want to tell.

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Cardiac Output - Venous Return Curves Sabio USMLE Step 1 Bits & Pieces 20 09-02-2013 01:37 AM
Cardiac Output and TPR relationship? prim USMLE Step 1 Forum 4 08-24-2012 08:26 PM
Why increased cardiac output in anemia! step1addict USMLE Step 1 Bits & Pieces 6 08-24-2012 07:37 PM
Effect of IV calcium bolus on cardiac output and venous return doctorF USMLE Step 1 Forum 4 07-29-2010 07:48 AM
midazolam in elderly- nbme ques doctorF USMLE Step 1 Forum 7 04-09-2010 09:07 PM

RSS Feed
Find Us on Facebook
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.

USMLE® & other trade marks belong to their respective owners, read full disclaimer
USMLE Forums created under Creative Commons 3.0 License. (2009-2014)