55 results
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
↓ CO, ↑ SVR, ↓ PCWP ... ↓ CO, ↑ SVR, ↑ PCWP ... ↓ CO, ↑ SVR, ↓ PCWP ... findings based on cause ... Differential #Diagnosis #table
Clinical Presentation and Diagnosis of Common Causes of Vaginitis

#Vaginitis #Differential #Diagnosis #Comparison #Table #Testing #Gynecology #OBGyn
Diagnosis of Common Causes ... Diagnosis #Comparison #Table ... #Testing #Gynecology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Deep coma (any cause ... Hyperreflexia #Testing ... #diagnosis #table
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis #Testing ... Characteristics #Table ... LikelihoodRatio #Accuracy #PhysicalExam
Intention Tremor on Physical Exam Demonstrated by Finger to Nose Testing

Caused by cerebellar dysfunction.

#Intention #Tremor #Dysmetria
Finger to Nose Testing ... Caused by cerebellar ... video #cerebellum #physicalexam
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam ... #HeadImpulse #Testing
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... Phencyclidine (PCP ... FalsePositive #Testing
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Nystagmus - Left-beating ... for a PERIPHERAL cause ... Nystagmus #HINTS #PhysicalExam
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
distinguishing between causes ... Continuous episodes, lasting ... Recurrent episodes lasting ... diagnosis #comparison #table
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... production to cause ... Cardiac #Stress #Testing