http://www.nlm.nih.gov/medlineplus/ency/article/003073.htm
, [/ B X# F, S5 @( a: t( uCoughing up bloodEmail this page to a friendShare on facebookShare on twitterBookmark & SharePrinter-friendly version7 ]# ?, F1 y/ [3 A. j! t
Coughing up blood is the spitting up of blood or bloody mucus from the lungs and throat (respiratory tract).
0 P, M. H6 u& @ V6 g# D9 W6 a+ M& {# @+ L( k0 j/ O' ^
Hemoptysis is the medical term for coughing up blood from the respiratory tract.
B) O$ `$ r7 Y+ M* @; P) W
% Y6 F# N9 a$ `5 d* ?2 G& O" w' uConsiderations- t- ^# I; H$ ]
4 g; _) F# I: _$ k" O! g( jCoughing up blood is not the same as bleeding from the mouth, throat, or gastrointestinal tract.
1 A. R4 j$ C; ]3 Z$ ^- c" ^ ]6 A$ W# L: b7 L1 \7 Z7 C
Blood that comes up with a cough often looks bubbly because it is mixed with air and mucus. It is usually bright red, although it may be rust-colored. Sometimes the mucus may only contain streaks of blood.* P* m; n6 k5 M& M' |
! K: L C' U+ ]1 q. y# R. ~
Causes. D/ L) m4 ?- w5 G6 ~8 M
" j) @+ [8 V2 e6 \" p$ j$ B
A number of conditions, diseases, and medical tests may make you cough up blood, including:
+ x4 z; R; u+ [! ~
0 n2 x5 K" g# B- c! \" WBlood clot in the lung P, Z& t1 \- t. Q: Q. x( |0 {7 `
Breathing blood into the lungs (pulmonary aspiration)
0 y, g9 t$ a. K" y& [4 nBronchoscopy with biopsy' {4 `7 M* r# v
Bronchiectasis
# a& M8 o# U7 \+ x5 n3 ABronchitis1 t2 ?; r; v3 K5 i/ d5 m
Cancer
) j5 R# O e* tCystic fibrosis
5 x' z* X7 ]. r' [6 RInflammation of the blood vessels in the lung (vasculitis)& W) f! {$ Q. R: M. l+ I, f, Z! g
Injury to the arteries of the lungs e3 q, e$ U% {. O
Irritation of the throat from violent coughing (small amounts of blood)# Y( y; o3 W/ R j, M
Pneumonia or other lung infections# ]* @6 p/ Q8 `$ [: i
Pulmonary edema
4 R1 }# M5 {6 gSystemic lupus erythematosus
1 w: }+ U8 o2 Z# F: U7 v5 Y8 }Tuberculosis
! A2 `7 O9 i9 J1 n1 o/ G, b- ]Home Care
8 G8 r$ `7 x+ b6 h7 d7 x" U' w5 w% ^) ], E& D/ m- q7 F
Cough suppressants may help if this condition is due to throat irritation from violent coughing. However, cough suppressants may lead to airway blockages in some cases. Always check with your doctor before using them.- U: p( x7 z+ V" m2 U: {3 D; z
0 e! v- \5 J1 I
It is very important to note how long you cough up blood, and how much blood is mixed with the mucus. Contact your doctor any time you cough up blood, even if you do not have any other symptoms.) P8 r0 ~$ [* t6 h4 Y
$ Y0 ~& H5 k9 M$ a! m
When to Contact a Medical Professional% ^% w" Y3 I( A+ r2 i: q% ?. \/ `3 s
: C7 Z, o& p( d; `Get medical help right away if you cough up blood and have:* J1 d0 c. u5 Z- J. o7 d! o
: d) i; f* ~6 c; P, a: C. _A cough that produces more than a few teaspoons of blood: g7 ]( K' V# Q3 R1 n4 d! `: `
Blood in your urine or stools( I& A. J/ x& @# q6 f1 U' S
Chest pain5 I( |0 ]" P2 C
Dizziness4 A5 a3 N9 R3 a8 c1 i
Fever
8 n7 e- O0 d/ C$ b' FLight-headedness7 u" a {% ~- O1 r
Severe shortness of breath+ w6 v' @3 t+ Y S. v. ]1 Z
What to Expect at Your Office Visit$ ?6 P1 u5 x5 }$ l; k8 H) u# Y
; z' M" ?; }1 X! T% T9 HIn an emergency case, your doctor will give you treatments to control your condition. The doctor will then ask you questions about your cough, such as:, f% i$ k0 N# X' ]# j: h ~0 G
0 g& _. Y- }: QType+ F8 Z; R- P* ~. [( \
Are you coughing up large amounts of blood (massive hemoptysis)?
+ r: O! j% I3 I; o) ^& A2 lCan you see blood when you cough up something?8 o- T. P7 |( J. R3 I
How many times have you coughed up blood?. S5 c* @: ^2 P0 M
Is there blood-streaked mucus (phlegm)?
( ]" q& |2 @" m" j- MTime pattern4 A; U, y$ p- ]9 Z
Did it begin suddenly?
/ S* `2 @3 s+ F' m" B' U" lHas it increased recently?
4 C6 R5 X8 ` T. U& {For how many weeks has the cough lasted?6 r0 X0 X# Z) y+ d
Is the cough worse at night?4 t |# z# ]0 c9 {2 b0 J
What other symptoms do you have?5 ^: A! }' z8 |9 j8 _ @
The doctor will do a complete physical exam and check your chest and lungs. Tests that may be done include:& j9 |8 Q. S) r- o
6 \9 m8 U$ u" D- S
Bronchoscopy, a test to view the airways
P. T, @7 `7 }) JChest CT scan- M+ O# J) @* a, F% s |2 Q
Chest x-ray
. N2 J' ]& b7 F( ?9 R wComplete blood count" s7 ~# Y0 f( r7 h2 k
Lung biopsy
; o* I* p7 l) Z, b6 ?- W/ `& s4 sLung scan! w; k0 Y; m5 R. O' f! o
Pulmonary arteriography
# j, D1 N; K% g0 g) }Sputum culture and smear
1 y7 x6 o' h( K" n9 ~" qTest to see if the blood clots normally, such as PT or PTT |
显身卡
谢谢老马
